问题详情

Training to become a barrister or solicitor is a competitive job because______.

A．it has relatively equal chances for lawyers from different backgrounds

B．the expensive cost of training makes many students stop at the door

C．students have to support themselves by hard work to pay tuition fees

D．there are enormous debts on the way to be a barrister or solicitor

请帮忙给出正确答案和分析，谢谢！