单选题 Although he was offered the intriguing offer, he has to discuss some other details, such as working hours ______ any deal is made.
【正确答案】 A
【答案解析】[解析] 词汇：连词
1．这是一道词汇题。选项均为连词。
2．在内容上，交易(deal)结束“前”要对细节进行讨论，因此连词A．before为正确选项。