if you are not sure if the computer is right,why not[ ] A.try it on B.try it out

问题描述:

if you are not sure if the computer is right,why not[ ] A.try it on B.try it out
C.put it on
D.put it up

选A
try it on
try on试穿(衣服); 试试看
try out提炼,熬油,(采用前)严密试验; 筛矿; 量(金属的)纯度
翻译是:
如果你不确定如果电脑是对的,为什么不试一试