---What’s that terrible noise?- The neighbors for a party.A. preparedB. prepareC. will

问题补充：

---What’s 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

D. are preparing

解析：考查动词。句意：这个噪音从哪来的？邻居正在准备聚会。根据题中提到 What’s that terrible noise这是哪来的？，所以邻居正在做准备，故选D项。