--Would you mind opening the window? It’s too hot in the room. . I’ll do it right away.

--Would you mind opening the window? It’s too hot in the room.
-- . I’ll do it right away.
A. You ’ d better not
B. Of course not
C. I hope not
D. It doesn’t matter

A. You ’ d better not(答案→)B. Of course notC. I hope notD. It doesn’t matter解析：情景交际。You ’ d better not你最好别；Of course not当然不了；I hope not我希望不；It doesn’t matter没关系。根据上文，你介意我打开窗户吗？房间里太热了。联系下文，我正要做呢。可知选B最符合语境。

谢谢解答