—Would he like _____ on an outing? 

— I'm not sure. Maybe he _____.[ ]

A. to go, would like    

B. going, would like to

C. going, would like  

D. to go, would like to

三相异步电动机起动电流很大，起动转矩不大的原因是（）。

A.定子阻抗大

B.定子电阻小

C.转子电路功率因数小

D.转子电路功率因数大