单项选择题

A.(2)-(1)-(5)-(4)-(3)-(6)-(7)-(8)
B.(1)-(2)-(3)-(4)-(5)-(6)-(7)-(8)
C.(2)-(1)-(3)-(4)-(5)-(6)-(7)-(8)
D.(1)-(3)-(5)-(4)-(6)-(2)-(8)-(7)