问题补充：
The news of is already known to everyone in our office.
A. your promoting
B. your being promoted
C. being promoted
D. your having promoted
答案：
A. your promoting
(答案→)B. your being promoted
C. being promoted
D. your having promoted
解析：promote与其逻辑主语之间是被动关系，故用现在分词的被动式，故选B。
