[单选题]
Patricia Nelson, CFA, was informed by one of her clients that if Nelson could get the performance of the client firm's pension portfolio above that of the Standard & Poor's average by year end, the client would give her a free trip to Singapore to visit the firm's offices. If Nelson agrees to this arrangement, which of the following actions complies with CFA Institute Standards of Professional Conduct? Nelson:
A.Must inform her employer of this agreement but does not need consent.
B.May inform her employer by e-mail of this agreement and must receive written consent.
C.Must inform her employer of this agreement but may accept it with verbal consent.