An order is a request to supply a specified quantity of goods, which may result from ________ or_________ with subsequent quotations.

An order is a request to supply a specified quantity of goods, which may result from ________ or_________ with subsequent quotations.

A.an offer … a bid

B.an offer … an inquiry

C.a bid … a counter-offe

D.a counter-offer … a counter-offer

正确答案是A