Which of These Is an Advantage of Written Communication

Multiple Choice

Which of these is an advantage of written communication?

A) It allows scope for immediate feedback.
B) It is more persuasive than oral communication.
C) It gives a sender complete control over where and when a message is read.
D) It is a permanent record that can be saved.
E) It makes it easier for a receiver to sense a sender's sincerity than oral communication does.