企业的员工在接受培训的同时感受到了组织对他们的重视和发展，提高了员工对自我价值的认识，也增强了员工（）的机会。

A、自我提高

B、工作能力

C、发挥潜能

D、职业发展

By serving others，a person focuses on someone other than himself or herself，______ can be very eye­opening and rewarding.

A．who

B．which

C．what

D．that