My sister，an inexperienced rider，was found sitting on the bicycle to balance it．A. having

发布时间：2020-08-15 00:41:01

My sister，an inexperienced rider，was found sitting on the bicycle      to balance it．
A. having tried
B. trying
C. to try
D. tried

网友回答

A. having tried
(答案→)B. trying
C. to try
D. tried
解析：　cry与主语my sister构成主动关系，用trying表示她主动“设法/尝试着保持自行车平衡”。
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