【单选题】

Questions 141-143 refer to the following letter.

Gentlemen,
Your name has been brought to our (141) as one of the reliable importers. Therefore,
I am writing with a keen interest in having business with you.
We have been engaged in exporting goods to all over the world, enjoying a good reputation for many years. Thanks to our excellence in conducting export business and close connections with the best sources of supply, we may well be sure that (142) you favorably consider our proposal, we are in a position to supply you with our goods at competitive prices. I am (143) sending you a copy of our complete catalog in which we trust you will find something that would suit for your trade. If you would care to deal with us, we shall be pleased to give you further details of business.
For any information respecting our standing and reputation, don’ t hesitate to contact us.
We look forward to your early and favorable reply.
Yours truly,
John Gray, GeneralDirector
A、unanimously
B、separately
C、clearly
D、previously