----Its too late now. I think its time for me to leave.-- .A. Good ideaB. Good nightC

问题补充：

----Its too late now. I think its time for me to leave. ---- .

A. Good idea

B. Good night

C. Good evening

D. Really

答案：

A. Good idea

(答案→)B. Good night

C. Good evening

D. Really

解析：Good-night意思是“晚安”。