Bill Has a Major Argument with His Wife Tina

Bill has a major argument with his wife Tina. While Bill is still fuming he says some less than kind things about her on social media. Bill and Tina make up, but their many friends have seen his social media rant and have taken sides with either Tina or him. Even though they are reconciled, some of their friends behave differently towards them now. How could he have been more competent using social media?

A) He could have been less open on social media.
B) He could have been more open on social media.
C) He could have been more careful and civil when he posted.
D) He could have been less casual when posting.