[听力原文]
W: Richard spent the winter in Guangzhou, didn’t be
M: I wouldn’t know. I haven’t seen him for months.

What doesn’t the man know（）

单项选择题How were the terrible noises caused（）

A．The monster’s angry voice.
B．The villagers were afraid.
C．The horse’s voice.
D．The hot air escaped through the cuts in skin.

单项选择题What is the main idea about the passage（）

A．Placing a satellite into orbit.
B．Multistage rockets.
C．Launching some satellites from aircraft.
D．Rocket launching.