Id like to know or not.A. whether will he comeB. if he has comeC. whether he will comeD.

问题补充：

Id like to know or not.

A. whether will he come

B. if he has come

C. whether he will come

D. that he will come

答案：

A. whether will he come

B. if he has come

(答案→)C. whether he will come

D. that he will come

解析：句意：我想知道他是否回来。结合语境可知从句描述的是将来的动作，故用一般将来时态。英语宾语从句一般是陈述语序。联系下文or not可知考察whether……or not结构，故选C。