单选题 I ______ this first edition of Paradise Lost in a secondhand bookstore in London.
A. came to B. came in
C. came across D. came down

【正确答案】 C
【答案解析】[解析] come to“苏醒过来;总计为……”;come in“进来”;come across“偶然发现”;come down“坍塌;崩溃;(物价、气温等)低落,下降”。