—Bob! How’s 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 prepared
B. had prepared
C. have been preparing
D. was preparing
网友回答
A. have prepared
B. had prepared
(答案→)C. have been preparing
D. was preparing
解析：可联系客服索取此答案。