He called the police for help,       that the problem was more than he could deal with.

A．having been realized

B．realizing

C．realized

D．had realized

1933年6月，国民党爱国将领（）等与中 * * 党合作，掀起了察哈尔抗战。

A.冯玉祥

B.傅作义

C.周保中