Which of the Following Choices Could Feasibly Represent a Hostile

Which of the following choices could feasibly represent a hostile work environment?

A) A supervisor regularly "brushes up" against subordinates of the opposite sex.
B) The peer of a subordinate often tells harmless and inoffensive jokes.
C) A manager has degree certificates on the walls of his office and other staff members are jealous of them.
D) A manager calls a meeting and tells his subordinates that they must improve their sales numbers or face termination.