试题要求：
In the 19th century, left-handedness was no longer considered abnormal.
试题解析：
答案：B
解析：
原文：During the 18th and 19th centuries, left-handedness was considered a disability.
到19世纪，左撇子仍然被认为是一种残疾，题干的表述与文章不符，选B。
考点：阅读判断,2016.4
In the 19th century, left-handedness was no longer considered abnormal.
原文：During the 18th and 19th centuries, left-handedness was considered a disability.
到19世纪，左撇子仍然被认为是一种残疾，题干的表述与文章不符，选B。