Which of the Following Is an Example of Cyberharassment

Which of the following is an example of cyberharassment?

A) Someone sends you a credible threat that they are "out to get you."
B) Someone posts a strongly worded dissenting opinion to your post on a social network.
C) An unknown individual posts photos of you, taken over several days in different locations, without you being aware that your photo was taken.
D) Someone keeps sending you instant messages after you have asked them to stop.