问题
选择题
Knowing office rules—whether _____ or not—is critical, especially for young job seekers.
A．written
B．writing
C．being written
D．having been written
答案
答案：A
考查非谓语动词。此处written作office rules的定语，表示已经写出来的。Rules跟write之间是被动关系，排除B，C项表示正在写。D作状语，不作定语