Who Among the Following Individuals Follows Good Practice When Sending

Who among the following individuals follows good practice when sending a good-news message?

A) Dave, a manager at Wizzware Inc., who organizes his message such that the main idea is presented at the end
B) Ava, a manager at Auroville Inc., who conveys positive news to her employees using a direct approach
C) Sameer, a manager at GreenMove Inc., who stresses on the closing thought more than on the main message
D) Zaiba, a manager at BayWave Corp., who delivers positive news to her employees without providing additional details