To maintain the customer's schedule, massive overtime will be required between Christmas and new years. Many of your team members have put in for vacation during this time. You should ______ .

A．let the schedule slip and inform the customer

B．first give the employees the choice of working overtime

C．make the employees cancel their vacation plans and work overtime

D．hire temporary employees for the overtime

羌活擅治的是

A．少阳头痛
B．太阳头痛
C．阳明头痛
D．少阴头痛