The map is one of the best tools a man has _______

试题详情及答案解析

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

试题分析：考查状语从句。句意：无论何时他去一个新地方，这幅地图都是他最好的工具。What要在句中做主语，宾语，表语等成分。BD两项与句意不相符。故A正确。
考点：考查状语从句