第一节(共10个小题；每小题2.5分，满分25分)
阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。
A
(2016·威海检测)Barbara McClintock was one of the most important scientists of the 20th century. She made important discoveries about genes and chromosomes(染色体)。
Barbara McClintock was born in 1902 in Hartford, Connecticut. Her family moved to the Brooklyn area of New York City in 1908. Barbara was an active child with interests in sports and music. She also developed an interest in science.
