Daniel plays chess if not better than David .A. as wellB. as well asC. so wellD. so

问题补充：

Daniel plays chess , if not better than , David .

A. as well

B. as well as

C. so well

D. so well as

答案：

A. as well

(答案→)B. as well as

C. so well

D. so well as

解析：句意：。丹尼尔如果不比戴维下得更好，他就跟戴维下得一样好。As well也；as well as与……一样好；so well如此好；so well as只可用于否定句。