The search was when night came，even though the child had not been found.
A. approved
B. acquired
C. achieved
D. abandoned
网友回答
A. approved
B. acquired
C. achieved
(答案→)D. abandoned
解析：考查动词辨析：A．approved同意 B．acquired 获得C．achieved取得D．abandoned放弃，句意：当夜晚到来的时候，搜寻被放弃，虽然孩子还没有被找到。选D。