根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
What is the secret of writing a good letter? Here are two main ones. Don’t try to be fancy. Don’t try to impress your reader. You will be successfully if you follow these six Cs.
Clear.    Make them easy to understand. Talk as if the reader is right there with you.
Correct.    Don’t guess, even for spelling. Refer to your dictionary. If you need to, check a reference    book, too.
Complete(完整的).Don’t scatter(分散) your points.    This is good organization, too.
Concise(简洁的).Make each point as clearly and briefly as you can.
Conversational. This is really the secret of good writing.    Such a letter has a natural, friendly tone(语调) and lets you come through naturally.
Considerate(体贴的).Think of the readers’ point of view as you write. Write about what you believe the reader needs or wants to know. Try to be helpful.  

A．Just “ talk” to the person

B．This will build good feeling toward you.

C．Use short, direct sentences.

D．Include long sentences in your letter.

E. Make sure what you say is correct.
F. Writing should not be taken too seriously.
G. Finish one point completely before going on to the next.