试题要求：
The right-handers arc nine times as many as the left-handers.
试题解析：
答案：A
解析：
原文： About 90% of people in the world today arc right-handed. The other 10% are left-handed.
据此得出，使用右手的人是左手的9倍，题干的表述与文章相符，选A。
考点：阅读判断,2016.4
The right-handers arc nine times as many as the left-handers.
原文： About 90% of people in the world today arc right-handed. The other 10% are left-handed.
据此得出，使用右手的人是左手的9倍，题干的表述与文章相符，选A。