- Whats that terrible noise? - The neighbors for a party.A. preparedB. prepareC. will pre

问题补充：

- Whats that terrible noise? - The neighbors for a party.

A. prepared

B. prepare

C. will prepare

D. are preparing

答案：

A. prepared

B. prepare

C. will prepare

(答案→)D. are preparing

解析：句意：---那可怕的噪音是什么？---邻居正在为派对准备。根据语境，隔壁正在制造噪音，答语应该是邻居们正在为派对做准备。prepare for为……而做准备。故应用现在进行时。