At this time tomorrow ________ our English exam．

A.we're going to have

B.we'll be having

C.we'll have

D.we're to have

答案及解析： B

解析：

此处考查表示将来的动词和各种不同形式．该题中的at this time tomorrow表示“在明天这时发生的事”，所以要用将来进行时．