单选题 If you come ______ any questions which ______ you, skip them.
A. to ... stumping B. across ... stumps C. at ... stumped D. across ... stump

【正确答案】 D
【答案解析】考查词组用法。come across是“遇见”。定语从句的先行词为questions，是复数，所以用动词原形。