单项选择题
A.cn B.an C.sn D.mn
A.# B.// C.%00 D.–
A.http：//aaa.com/good？id=1’ B.http：//aaa.com/good？id=1%27 C.http：//aaa.com/good？id=1%df%27 D.http：//aaa.com/good？id=1%25%27