At the Beijing Olympics Bolt broke the 100-meter and 200-records and became the man in th

问题补充：

At the Beijing Olympics, Bolt broke the 100-meter and 200-records and became the man in the world.

A. fastest

B. heaviest

C. tallest

D. slowest

答案：

(答案→)A. fastest

B. heaviest

C. tallest

D. slowest

解析：A. fastest最快的 B. heaviest 沉重的 C. tallest高的 D. slowest 慢的，题干说broke the 100-meter and 200-records（打破了100和200米记录），因此是最快的，答案选A。