Discount(折扣)85% for students, It is useful between November 30,2010 and December 1, 2011 and only in China.Please come with the ticket and your student card.　 　　
How long is the ticket useful?.
A.One month　　  B. Two months　　　
C. one year      D two years
What do you have to take for a discount pizza?

A．The ticket	B．Your student ID card
C．Both ticket and student ID card	D．Nothing