______ our manage objects to Tom’s joining the club, we shall accept him as a member.

题目：______ our manage objects to Tom’s joining the club, we shall accept him as a member.

A. Until
B. Unless
C. If
D. After

喵查答案：B

此句意思是“除非我们经理反对tom加入俱乐部，不然我们都应接受他成为其中一员。”