问题空间理论是（ ）提出的。 A: Goel B: Greeno C: Simon D: Newell

Professor Ashok Goel of Georgia Tech developed an artificially intelligent teaching assistant to help handle the enormous number of student questions in the online class, Knowledge-Based Artificial Intelligence. This online course is a core requirement of Georgia Tech’s online Master of Science in Computer Science program. Professor Goel already had eight teaching assistants, but that wasn’t enough to deal with the overwhelming number of daily questions from students.

50.What does Professor Goel plan to do next with Jill Watson? A: Launch different versions of her online. B: Feed her with new questions and answers. C: Assign her to answer more of students’ questions. D: Encourage students to interact with her more freely.

Professor Goel found that students' questions were too many to handle. 未知类型：{'label': 'questionDesc', 'content': '请根据所给材料判断题干是否正确。', 'isMemberControl': 0, 'type': 181} 未知类型：{'label': 'source', 'content': '2019年12月 四级 卷一 仔细阅读1', 'isMemberControl': 0, 'type': 181}

Professor Goel plans to launch different versions of the virtual assistant online. 未知类型：{'label': 'questionDesc', 'content': '请根据所给材料判断题干是否正确', 'isMemberControl': 0, 'type': 181} 未知类型：{'label': 'source', 'content': '2019年12月 四级 卷一 仔细阅读1', 'isMemberControl': 0, 'type': 181}

Professor Goel met with the problem that his students were unsatisfied with the assistants. 未知类型：{'label': 'questionDesc', 'content': '请根据所给材料判断题干是否正确', 'isMemberControl': 0, 'type': 181} 未知类型：{'label': 'source', 'content': '2019年12月 四级 卷一 仔细阅读1', 'isMemberControl': 0, 'type': 181}

Professor Goel plan to feed the virtual assistant with new questions and answers. 未知类型：{'label': 'questionDesc', 'content': '请根据所给材料判断题干是否正确。', 'isMemberControl': 0, 'type': 181} 未知类型：{'label': 'source', 'content': '2019年12月 四级 卷一 仔细阅读1', 'isMemberControl': 0, 'type': 181}

Professor Goel met with the problem that his course was too difficult for the students. 未知类型：{'label': 'questionDesc', 'content': '请根据所给材料判断题干是否正确', 'isMemberControl': 0, 'type': 181} 未知类型：{'label': 'source', 'content': '2019年12月 四级 卷一 仔细阅读1', 'isMemberControl': 0, 'type': 181}

Professor Goel met with the problem that too many students dropped out of his course. 未知类型：{'label': 'questionDesc', 'content': '请根据所给材料判断题干是否正确', 'isMemberControl': 0, 'type': 181} 未知类型：{'label': 'source', 'content': '2019年12月 四级 卷一 仔细阅读1', 'isMemberControl': 0, 'type': 181}

Professor Goel plan to encourage students to interact with the virtual assistant more freely. 未知类型：{'label': 'questionDesc', 'content': '请根据所给材料判断题干是否正确。', 'isMemberControl': 0, 'type': 181} 未知类型：{'label': 'source', 'content': '2019年12月 四级 卷一 仔细阅读1', 'isMemberControl': 0, 'type': 181}