---You look very tired.-Well my lessons all the afternoon.A. I have reviewed my lesson

问题补充：

---You look very tired.

---Well, my lessons all the afternoon.

A. I have reviewed my lessons

B. I have been reviewing

C. I reviewed

D. I had reviewed

答案：

A. I have reviewed my lessons

(答案→)B. I have been reviewing

C. I reviewed

D. I had reviewed

解析：考查时态：句意：--你看起来很累。-- 是，我整个下午都在复习功课。因为是过去到现在一直在做…，可能动作刚刚结束，但是影响还在，象这题中的You look very tired.可以用现在完成进行时，选B。