Answer:
It sounds like it is A. Hectic, but that's just my opinion. I will post in comment below the definition.
Explanation:
A would be the best so that when a problem comes up and he's not there they can handle it
Well if you miss him too then you could respond with something like that lol
I believe that would be the correct term [Definition: a common-law privilege to criticize and comment on matters of public interest without being liable for defamation provided that the comment is an honest expression of opinion and free of malice. But i could be wrong.... Good Luck