单选题 If the client ______ on time, the deal would have been made.
A. had arrived B. arrives
C. would arrive
D. had been arriving

【正确答案】 A
【答案解析】[解析] 主句的动词是would have p.p.的形式,所以可知是过去完成时的假设句。假设句的过去完成时的条件分句的动词应该是had+p.p.的形式。
词汇:client顾客/deal交易,协商