请选择合适的单词选项，补充下面的英文句子：Thepricesofthesegoodscannotbe（），becausewe’repracticallysellingatcostnow. A: reduces B: reducing C: reduced D: reduction

指出下列句中划线部分错误的选项。 Becausewe didn’twin the basketball game, we were satisfied withour hard work. A B C D