The art club is for members only. You can’t go in you are a member.A. unlessB. because C.

问题补充：

The art club is for members only. You can’t go in you are a member.

A. unless

B. because

C. if

D. though

答案：

(答案→)A. unless

B. because

C. if

D. though

解析：根据意思，选择的连词，A