—Have you ever heard that Beijing toilet attendants will be required to learn English for the 2008 Olympic Games?

—Yeah, I ___   about it in The Beijing Morning Post.

A．had read

B．read

C．would read

D．will read

房间空调器直流变频电动机是直流（）。

A.无刷电动机

B.永磁电动机

C.并励电动机

D.他励电动机