一个公司有以下部门，Marketing,Desiging,Production,Packing下列语句执行结果是什么？()Select * from dept_tbl where depatment <=’Marketing’;

3. What are George and Anne working on? A: Changing the brand image. B: Expanding the market of the new manchandise. C: Marketing a survey of the target market. D: Desiging the company logo.