The Japanese people keep up cheerful spirits the world that they can get over the crisis caused by the terrible tsunami（海啸）.
A. being convinced
B. convinced
C. to convince
D. having convinced
网友回答
A. being convinced
B. convinced
(答案→)C. to convince
D. having convinced
解析：本题考查非谓语动词。题中to convince不定式作目的状语，故选C。