Question

The early warning of floods,      over the radio and on TV, spread quickly through the area.

A．having broadcast

B．broadcasting

C．broadcast

D．to be broadcast

Answer 1

C

考查非谓语动词。逻辑主语为warning of floods，与broadcast之间为被动关系。故用过去分词。句意：关于洪水的早期警报，通过广播和电视的播送，快速地在这一区域传播开来。