—Which one of these do you want?
—________. Either will do.
A．I don’t mind B．I’m sure
C．No problem D．Go ahead
—Which one of these do you want?
—________. Either will do.
A．I don’t mind B．I’m sure
C．No problem D．Go ahead
解析：答语的下一句提到任何一个都可以，由此可知说话人不介意。A项“我不介意”符合语境。B项表示“我确信”，C项通常用来表示事情容易做或乐于相助，D项表示允许，都不符合语境。
答案：A