— What’s that terrible noise ?
— The neighbors for a party.
A. have prepared
B. are preparing
C. prepare
D. will prepare
网友回答
A. have prepared
(答案→)B. are preparing
C. prepare
D. will prepare
解析:根据题意先排除D 项,因为回答方要说明书现在的情况;A项have prepare说明已经准备好,C项prepare是目前的习惯性动作,B项瑞在进行时表示动作的示完性。因此B 项为最佳答案。