Woman: Is the rescue crew still looking for survivors of the plane crashMan: Yes, they have been searching the area for hours, but they haven't found anybody else. They'll keep searching until night falls.Question: What do we learn from the conversation

A．All the passengers were killed.

B．The plane crashed in the night.

C．No more survivors have been found.

D．It's too late to search for survivors.

下列各项业务收入中，应该征收营业税的有( )。

A．保险公司办理储金业务取得的收入

B．建筑公司从事建筑物养护取得的劳务收入

C．为体育比赛提供场所取得的收入

D．境内企业外派本单位员工赴境外从事劳务服务取得的收入