【单选题】

Questions 141-143 refer to the following letter. Sirs or Madams,

We learned from IAC、Seoul that you are producing golf wears for export in a variety of materials. There is a steady demand in this country for golf wears of great quantity. If prices become (141) , we would be able to sell a large quantity. Moreover, if you would like, we can cooperate to produce an even (142) quantity of golf wears.
Would you please send us a copy of your catalogue, including prices and payment terms We would appreciate it if you could also send samples of the various materials of which the golf wears (143) .
Thank you for your prompt attention.
Yours truly,
Samuel Lee
A、are made
B、made
C、making
D、to be made