单选题 Some children have amazed the world since their birth with their incredible intellect and abilities which can ______ at times the brightest of adults.
【正确答案】 A
【答案解析】[解析] 根据句意“胜过最聪明的成人”可知，本题只有A项overdo“胜过”符合题意。 因此本题诜A。