单选题 Experts have ______ with effective measures to prevent the disease from from spreading.
A. caught up B. put up C. come up D. kept up

【正确答案】 C

【答案解析】考查词组。catch up with“赶上”，put up with“忍受”，come up with“想出”，keep up with“跟上”。根据题意，C项正确。