问题
选择题
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
答案
答案：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。