Although Maria Has Been Working for the Company for Five

Although Maria has been working for the company for five years and always agreed to work late and on weekends, she has never received a raise. When she tried to ask her boss for a raise, she became tense and upset and gave up easily as soon as her boss said that "it was not the right time for a raise." Maria would benefit from becoming

A) more aggressive.
B) more collaborative.
C) self-assertive.
D) mutually interdependent.