In a room above the store where a party some workers were busily setting the table.A. w

问题补充：

In a room above the store, where a party , some workers were busily setting the table.

A. was to be held

B. has been held

C. will be held

D. is being held.

答案：

(答案→)A. was to be held

B. has been held

C. will be held

D. is being held.

解析：根据题干动词were可知为过去时