【题目】The map is one of the best tools a man has _ _ he goes to a new place.
A.whenever
B.whatever
C.wherever
D.however

【答案】A
【解析】句意：地图是每当一个人去一个新地方时所必带的工具。此处tools是先行词，a man has whenever he goes to a new place.是定语从句，whenever he goes to a new place.是定语从句中的状语从句。故答案选A。