【单选题】

Questions 147-149 refer to the following letter.

Dear Mr. Ridge,
It was good of you (147) such kind of Joint Operation and I deeply appreciate it.
However, I feel that I must check a few things out for mutual benefits. The communications technical staffs are evaluating them at this time. I am mapping out plans now (148) and I will let you know what the results will be.
Please let me know (149) the primary technical contact will be in your side.
Thank you again for your proposal.
Yours very truly,
Paul Lee, MarketingDirector
A、me
B、myself
C、you
D、yourself