The people on the third floor seem ___ a party. You can hear the

The people on the third floor seem ___ a party. You can hear them laughing and shouting.
A、to have
B、to be having
C、to have had
D、being had
【正确答案】：B
【题目解析】：本题考查固定词组。seem的用法是seem to do 或seem+从句。seem doing sth 不正确，所以D 答案是错误的。根据句意可知这是正在发生的动作，所以B为正确答案。