一个程序中所含有的路径数与程序的复杂程度有着直接的关系。
参考答案：对
有面值为8分、1角和2角的三种纪念邮票若干张，总价值为1元2角2分，则邮票至少有( )。
A．7张
B．8张
C．9张
D．10张
Mr Zhang gave the textbooks to all the people _____ those who had already taken them. [ ]
A. besides
B. except
C. except for
D. except that
