单选题If he did not know&n

问题补充：

单选题Ifhedidnotknowthem，hewouldgreetthemwithafewwordsaboutweather，butifhedid，hewouldaskabouttheirfamiliesormakejokes，alwayscuttinghiscloth______hiscustomers.A.according toB.due toC.instead ofD.up to

答案：

A解析cut his cloth according to his customers因人而异；according to“根据”，是固定短语，符合题目要求。