While____ an enquiry,you ought to enquire into quality,specifica

While____ an enquiry,you ought to enquire into quality,specifications and price etc
A、making
B、offering
C、bidding
D、sending
【正确答案】：A
【题目解析】：句意：发出询盘时，你应询问质量、规格及价格等。make an enquiry表示“发出询盘”。