We can't ______ making a plan. Clean-Up Day is only two weeks from now.

A．put off

B．put up

C．put away

D．come up with

治疗鼻咽癌首选（）。

A.手术治疗

B.放射治疗

C.化学治疗

D.免疫治疗

E.激光治疗