.
. He has never travelled out of his hometown, to a foreign country.
A. leave out
B. let out
C. let alone
D. leave alone
网友回答
A. leave out
B. let out
(答案→)C. let alone
D. leave alone
解析：考查短语辨析。句意“他还从来没有离开过家乡，更别说出国了。”A“漏掉，省略”；B“泄露，发出，放走”；C“更不用说”；D“让......独自待着”。故选C。