When Jane fell off the bike, the other children ______ .
A、
were not able to help laughter
B、
could not help but laughing
C、
could not help laughing
D、
could not help to laugh
【正确答案】
C
【答案解析】
can't(couldn't)help doing sth. 是一个常用的搭配，意为“忍不住做某事”。
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