Though the long-distance runner his previous record last month, his trainer let him its speed as he went around the curve.．
A. bettered; slowed
B. better ; to slow
C. bettered; slow
D. better; slow
网友回答
A. bettered; slowed
B. better ; to slow
(答案→)C. bettered; slow
D. better; slow
解析：考查一词多义。句意“尽管那位长跑运动员上周优化了他以前的记录，当他经过弯道时，他的运动鞋能让他减慢速度。”better作动词用，意为“改善，胜过”。Let sb. do sth.“让某人做某事”。故选C。