单项选择题
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A.Staff are allowed six weeks' holiday a year. B.Staff must book holidays before the end of the year. C.Staff must have their holiday requests approved.
A.A permit is currently required for entry to this area. B.Special care should be taken when entering this area. C.Permission to enter this area can be obtained from safety staff.
A.Wei Yu should re-apply for his training course at a later date. B.There may not be enough money to pay for Wei Yu's course. C.Human Resources cannot confirm which training course Wei Yu should take.