What about ( (they)

What about ( (they) What are they talking about? What are they talking about?() What holiday are they talking about? what did they ( )about at the meeting? What are they about?--------()()Stephen Hawking. What are they talking about?为什么不能省about? they are talking about what they can see ( ) windy weather what the japanese government cares about is what action they 英语：1.完形填空：they waited about what they did,what they ate ,wha I asked them what they t_______ about the movie. What are they ( ) A talking B talking about C looking