go to the cinema together with me? -- Good idea!A. Why notB. How aboutC. Why don’tD.

问题补充：

-- go to the cinema together with me?

-- Good idea!

A. Why not

B. How about

C. Why don’t

D. What about

答案：

(答案→)A. Why not

B. How about

C. Why don’t

D. What about

解析：表示建议的句子ABD都能选，但是后接的动词为动词原形，故选A