For a nuclear power reactor operator, which of the following statements is CORRECT？A．He ca

For a nuclear power reactor operator, which of the following statements is CORRECT？

A．He can get the highest salary of $103,000 a year.

B．He must have a high school diploma in that field.

C．He needs work for three years at the power station.

D．He can take an exam administered by the power plant.

请帮忙给出正确答案和分析，谢谢！