【题目】When the policeman came, I pretended _________________for the material so that he couldn’t notice me.
A. to look B. to be looking C. to have looked D. to have been looking
在线课程【答案】B
【解析】考查不定式。句意：当警察进来的时候，为了不让他注意我，我假装正在找材料。pretend to do“假装做某事”，此处表示正在做某事，故用进行时，故选B。