Which of the Following Is the Best Example of the Hot-Stove

Which of the following is the best example of the hot-stove rule?

A) Ella has been leaving work early for the past week and plans on continuing this action since no supervisor has approached her about it.
B) Tanya was disciplined for Web-surfing on business time. A couple of weeks later, Ashton received the same discipline for the same reason.
C) Aaron does not tell his employees what actions will be disciplined, nor what kind of discipline may be anticipated.
D) Charlie received a two-day paid suspension for using sick days to lengthen his vacation. Dave did the same thing and received a verbal warning.