问题
选择题
She will never forget here stay there__________ she found her son who had gone missing two years before.
A．that
B．which
C．where
D．when
答案
答案：D
题目分析：句意：她永远不会忘记她在这里逗留期间她发现两年前丢失的儿子。这句话用了定语从句，先行词是stay“逗留期间”，定语从句中不缺少主宾表，缺少的是时间状语，用when引导定语从句，所以选D。