John plays football __ ,if not better than David.

问题描述:

John plays football __ ,if not better than David.
A.as well B.as well as
C.so well D.so well as
选B为什么?为什么不选A

as well是"也"的意思
你可以这样理解
John plays football as well as David ,if not better than him.John和David打球一样好,如果不比他更好的话