She is better than me ____ singing.答案为什么选C呢?请大家帮我分析下

问题描述:

She is better than me ____ singing.答案为什么选C呢?请大家帮我分析下
A.in B.on C.at D.for

这句话里面的词组是 be good at 意思是“擅长做某事”