Though they met for the first time, they talked________they were good friends.[ ]

A. even if  

B. as if

C. even though  

D. if only

关于加强农村党风廉政建设，下列表述正确的是（）。

A.市委是关键，县乡是基础

B.县委是关键，乡镇是基础

C.乡镇是关键，村居是基础

D.涉农部门是关键，乡镇是基础