______ he was a regular customer, the boss allowed 10% discount off the prices of the goods.
【正确答案】 B
【答案解析】given放句首,后跟名词或从句,然后再跟主句,这是固定句型。given充当介词使用,表示“假设、假定、已知”等意思,常译为“考虑至到……,如果有……”。如:Given his age, this child really did a good job.考虑到这个孩子的年纪,他的确干得不错。