She insisted that we the source of the river and begin our journey there.
A. find
B. found
C. would find
D. were to find
网友回答
(答案→)A. find
B. found
C. would find
D. were to find
解析：考查insist用法。当insist表示坚持要求做某事的时候，后面的宾语从句使用虚拟语气should+动词原形。Should可以省略；句意：她坚持要求我们找到河流的发源地，在那里开始我们的旅行。根据句意说明A正确。