--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
网友回答
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。