完成对话。

A: Hi, I'm doing a survey for the Bedford Daily News. __1__

B: I guess Jamming 107.9 FM is the best.

A: Why?

B: __2__ 1t's much better than the other stations in town.

A: What about the other radio stations?

B: Well, I think Oldier 102.1 FM is pretty bad. __3__

A: I heard that __4__

B: Not for me.

A: Why not?

B: __5__ They're worse than the commercials of All Talk 970 AM!

充分就业意味着( )。

A．失业率为零

B．城镇登记失业率为零

C．劳动力的充分利用

D．劳动力的完全利用