Lucy speaks Chinese Lily.A. so well asB. so good asC. as good asD. as well as

问题补充：

Lucy speaks Chinese Lily.

A. so well as

B. so good as

C. as good as

D. as well as

答案：

A. so well as

B. so good as

C. as good as

(答案→)D. as well as

解析：as…as表示与…一样，其中要用形容词或副词的原级。又因speak是动词故用副词well。