The student if well will pass the examination without much difficulty.A. preparingB. p

问题补充：

The student, if well , will pass the examination without much difficulty.

A. preparing

B. prepared

C. to prepare

D. ready

答案：

A. preparing

(答案→)B. prepared

C. to prepare

D. ready

解析：本题考查过去分词充当条件状语的用法。此题可采用增元法，把if从句补全为if he is well ,显然，B为正确答案。