After five hours drive，they reached they thought was the place they’d been dreaming of.
A. that
B. where
C. which
D. what
网友回答
A. that
B. where
C. which
(答案→)D. what
解析：此处需要填一个词，它既引导reach的宾语从句，还要在这个从句中作主语。A、B选项只有后一种功能，且B项为副词，不可选，此处D项what相当于the/a place that/which。句意为：开车行驶五小时后，他们认为到了他们梦寐以求的那个地方。