--Bob, How is your project? I heard you started it last Friday, right?
---Oh, I for it. But I haven’t decided when to do it.
A. have been preparing
B. had prepared
C. have prepared
D. was preparing
网友回答
(答案→)A. have been preparing
B. had prepared
C. have prepared
D. was preparing
解析：句意：鲍勃，你的项目怎么样了？我听说你上星期五开始的，是么？哦，我一直在准备。但是我还没决定什么时候开始做。根据But I haven’t decided when to do it.表明我一直在准备。表示从过去开始，一直在做某事，用现在完成进行时。选A。