Loren, a Manager, Instructed His Subordinate, Alpha, to Remind Her

Loren, a manager, instructed his subordinate, Alpha, to remind her staff that any request for overtime pay work this weekend could only be authorized by the division manager. Alpha misunderstood Loren and explained to her staff that all were required to work this weekend with overtime pay that had been authorized by the division manager. In this context, why would it have been better for Loren to communicate to Alpha through an e-mail instead of instructing her orally?

A) The receiver can control where and when a message is read.
B) The sender can provide feedback immediately.
C) The message remains the same even if relayed through others.
D) The receiver can gauge the sender's sincerity better than when communicated orally.
E) The message is more persuasive than when released orally.