Rapport to most of us [Americans] is less important than perform

Rapport to most of us [Americans] is less important than performance.
A、Whether a person is successful or not is most important.
B、Friendly relationship is not as important as performing skills.
C、One's achievement is more important than his relationship with others.
D、What one says in his report is more important than what he has achieved.
【正确答案】：C