Question

—Do you mind if I open the window to let in some fresh air?

—________.

A．Never mind 

B．No, go ahead

C．No, you'd better not 

D．Of course, go ahead

Answer 1

B解析：句意：——你介意我开窗透气吗？——我不介意，你开好了。可知选B项。A项“没关系”，用于道歉答语；C和D项前后意义不一致。