—Will you go to the exhibition tomorrow?

—Yes, I will go ________ it's rainy.[ ]

A. as if  

B. even if

C. as soon as  

D. as though

左侧结肠癌合并急性肠梗阻时，最合理的手术方法应是（）

A.腹腔镜手术

B.左半结肠癌根治术

C.横结肠癌根治术

D.先行横结肠造口术，以后二期再行根治性左半结肠切除术

E.先行胃肠减压，后期再做左半结肠癌根治术