Suddenly the balloon goes up in the middle of the conversation.

Options

A. the situation turns unpleasant or serious
B. a sudden shift in the topic of conversation
C. the conversation takes a lighter note
D. an abrupt silence takes place

Answer

A

Explanation

when the balloon goes up when the trouble that you are expecting begins. We have to get out of here before the balloon goes up. The best option is the situation turns unpleasant/ serious