①爬山②约伴同行③准备必备工具③登上山顶⑤心情舒畅A．②—③—①—④—⑤B．④—③—①—②—⑤ C．③—①—②—④—⑤D

①爬山②约伴同行③准备必备工具③登上山顶⑤心情舒畅

A．②—③—①—④—⑤

B．④—③—①—②—⑤

C．③—①—②—④—⑤

D．①—③—④—⑤—②