Daniel plays chess -------- ,if not better than,David. A、as well B、as well as C、well D、better
问题描述：
Daniel plays chess -------- ,if not better than,David. A、as well B、as well as C、well D、better
为什么该选B呢?
答
if not better than是插入语,可以没有.去掉这个插入语,就变成：
Daniel plays chess --------David.
因此用as well as