单选题

　　1.[2005.10]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

　　答案解析：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。