【单选题】Before you begin to compose a business letter, sit down and think about your purpose in writing the letter. Do you want to request information, order a product, register a complaint, or apply for some...
A.
. planning is an important part of writing a business letter.
B.
business letters are frequently complaint letters
C.
brainstorming and writing take approxi?mately equal amounts of time.
D.
. many people fail to plan ahead when they are writing a business letter.