A railway station is not a place for a child to be at night.A. left aloneB. let aloneC. s

问题补充：

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

答案：

(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。