I would have helped you，but I the whole week.
A. was really occupied
B. really occupied
C. have really occupied
D. will be really occupied
网友回答
(答案→)A. was really occupied
B. really occupied
C. have really occupied
D. will be really occupied
解析：
前句是对过去事情的假设，暗示后句动作也发生在过去。occupy意为“使忙于，占用(时间、空间、面积等)”，主语是人时多用被动语态。