That ability [of John Bullyer's] to master the nine-times table had proved no momentary success.
A、His ability in mathematics had required continual efforts.
B、It had been proved that mathematics had no permanent influence.
C、His ability in mathematics had brought about further achievements.
D、It had been proved that mathematics had little to do with short-term memory.
【正确答案】：C
【题目解析】：原句译文：这证明他掌握九九表的能力可不只是一时的成功。联系上下文可知，他的数学运算能力不只使他上小学时成了优秀生，还使他有了成功的事业。A项意为他的数学能力要求他要持续的努力.虽然表达的意思正确,但是并没有表现出原文要表达的内在含义；B项意为事实证明数学没有永远的影响力，与原句不符；C项意为他在数学上的能力带给了他更多的成功，与原文一致；D项意为已经证明教学和短期记忆没有什么关系，与原句不符。答案为C。
