A railway station is not a place for a child to be at night.
A. left alone
B. let alone
C. settle in
D. settle down
网友回答
(答案→)A. left alone
B. let alone
C. settle in
D. settle down
解析：动词词组辨析。A让…独自呆着；不打扰；更不用说；B更不必说；C适应…新环境等;D安家；安定下来；冷静下来；降临;句意：车站不是一个在晚上让孩子单独待的地方。根据句意选择A。