Question

2. I'll be out for some time.    anything important happens, call me up immediately.

A. In case           B.  As if

C. Even though      D.  Now that

Answer 1

2.    A 考查状语从句。in case万一，以防；as if好像；even though 即使；now that既然，由于。句意：我要出去一会儿。万一发生了什么重要的事情，马上给我打电话。根据句意可知选A项。