题目内容：

Who do you think I ____ in the library this moring?
A.ran in B.ran down C.ran across D.ran over 它们都是什么意思 选什么

优质解答

run in 跑进；试车
run down 撞倒；使…变弱；
run across 偶然遇到；
run over 辗过；匆匆看；复查
选C.ran across
句子意思：你猜我今早在图书馆遇到谁了?