单选题 The term tsunami ______ the Japanese language meaning harbour and wave.
A. comes across B. comes from
C. comes by D. comes down

【正确答案】 B

【答案解析】[解析] 短语辨析
[句意] 海啸一词来源与日语，意思是海港和波浪。
[解析] [B]comes down“来自”，恰好符合题意。[A]comes across“偶遇”；[C] comes by“经过”；[D]comes down“传下来”，均不符合题意，