题目内容：
根据以下内容，回答题。Francis Thompson
Vice President of Operations
Collins Shipping Service Inc.
May 5,2006
Attention Regional Directors,
Here at Collins Shipping Service Inc. (CSS), we've built a reputation as a trustworthy and efficient national corporation that always puts the needs of the customer first. The key to this suc-cess has been the careful organization of our regional and local divisions, which has enabled us to communicate effectively. However, our recent expansions have caused some problems with this system.
In order to maintain our communicative ability, the CEO has decided to reorganize all of the corporation's divisions. As regional directors, you are requested to submit detailed status reports on your divisions, focusing on any new service areas you are responsible for.
Next month, you will attend a conference to be held at CSS headquarters in Vancouver.
There, you will participate in meetings to finalize the new organizational plans. You all will have the opportunity to voice your suggestions, concerns, and opinions, so please be prepared.
Attached is a schedule of events for the conference. To arrange your travel and lodging needs,please contact Martin O'Flynn in the headquarters' personnel department at 604-555-0924.
Collins Shipping Service Inc. is committed to preserving its excellent reputation and continu-ing is success. Please assist us in achieving this goal.
Very truly yours,
Francis Thompson
National Conference on Organization and Communication
Collins Shipping Service Inc.
Dates: June 12-17
Location: CSS Headquarters, Vancouver
This conference will allow us to incorporate all feedback before finalizing a new orga-nizational plan.
DateTime Event
June 123:00p.m. Welcome and introductions from the CEO
June 13-148:00a.m.-5:00p.m. Inter-regional discussion meetings
June 158:00a.m.-5:0Op.m.Presentation of the newly created organizational
plan
June 1610:00a.m.Final Q&A session with the Vice President of
Operation June 179:30a.m. Closing comments and thanks from the CEO
What is the main purpose of the letter? A．To describe a change in the company's customer policy
B．To announce the use of new communications technology
C．To inform executives of a professional gathering
D．To notify employees of the company's expansion
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