As the door was locked,the police forced it _with heavy blows.A.to openB.open为什么选B?

问题描述:

As the door was locked,the police forced it _with heavy blows.A.to openB.open为什么选B?

看一下OPEN在这里的作用
force在这里的用法和 make差不多

open这里做形容词,
如果要用动词,应该是被动语态