--You look upset. Anything wrong?--I failed in the physics exam again all the efforts I ma

问题补充：

--You look upset. Anything wrong?

--I failed in the physics exam again all the efforts I made.

A. because of

B. for once

C. even if

D. despite

答案：

A. because of

B. for once

C. even if

(答案→)D. despite

解析： 短语辨析。A. 因为 B. 仅此一次 C. 即使，虽然 D. 尽管，不管。句意：你看起来很沮丧。怎么了？——我在物理考试中不及格，尽管我尽了所有努力。故选D。