I think she is at dancing than singing. AbetterB. goodC. wellD. best

问题补充：

I think she is at dancing than singing.

Abetter

B. good

C. well

D. best

答案：

(答案→)A. better

B. good

C. well

D. best

解析：此题是个比较结构。根据题干可知她跳舞好于唱歌。Be good at doing sth 表示擅长于做某事。因是比较结构，故good要用比较级better。