问题补充：
He is on his way to becoming a world-famous pianist. But can you imagine him so many kinds of hardships?
A. goes through
B. go through
C. going through
D. went through
答案：
A. goes through
B. go through
(答案→)C. going through
D. went through
解析：考查非谓语动词。句意：他正走在成为一名著名钢琴家的路上。但是你能想象出他经历的那么多种艰辛吗？imagine后接动名词表示抽象的动作，故选C
