根据语境，用恰当的语言完成对话。

Son: Hey, Dad?

Dad: What's the matter?

Son: 1.__________________

Dad: What movie are you going to see?

Son: Avatar (阿凡达). It's really an exciting movie.

Dad: OK. 2.__________________

Son: I am going to see the movie with Tony.

Dad: 3._________________.

Son: I'll come back at 9 o'clock. The movie is a little long.

Dad: Don't stay out late. You must get back home before 9:30.

Son: All right. 4._______________

Dad: No, I need it. And you are too young to drive a car. But 5.________________

Son: It's kind of you to do that. Thank you, Dad.

既可以用于鉴别乙烷与乙烯，又可用于除去乙烷中的乙烯的是[ ]

A．通过足量的酸性高锰酸钾溶液

B．通过足量的溴水

C．通过氢氧化钠溶液

D．通入足量的氢气