Which of the Following Represents the Best Example of Quid

Which of the following represents the best example of quid pro quo in the workplace?

A) A manager advises a subordinate that his or her raise depends on his or her upcoming performance evaluation.
B) A supervisor tells a peer that he will not apply for the same job as she does in exchange for sexual favors.
C) A supervisor instructs two equally qualified candidates to apply for an upcoming position.
D) An executive coerces an accountant to enter fraudulent journal entries into the firm's accounting system.