He enjoyed great success in the business, but his health _____as a result of years of hard work.

A．broke down

B．broke out

C．broke off

D．broke away

因不少大学生不愿意选择艰苦的、待遇不高的岗位，“择业难”加剧了“就业难”。针对这种状况，这些大学生应该树立（）

A、职业平等观

B、竞争就业观

C、自主择业观

D、多种方式就业观