单选题

Memo

To: All staff
From: Ray Hunslon
①Those who are not on the permanent staff are asked to ②book a place for the annual meeting ten days in advance.
A. All the employees are asked to book a place for the meeting ten days ahead of time.
B. Temporary employees are required to book a place in advance.
C. Permanent employees have already booked places.

【正确答案】 B

【答案解析】备忘录中提到：“①非编内员工需要②在年会10天前预订位置”。结合原文中信息点可推编外的临时员工需要预订位置。A项指出“所有员工都要预订”错误。B项指出“临时员工需要提前预订”，与文意一致。C项指出“编内员工已经预订了位置”文中没有明确提及，不正确。综上所述，正确答案为B。