题目选项分析

As an artist and, more meaningfully, as a teacher of painting and drawing, one of the most transformative artists of the twentieth century was Fernand Cormon, who taught several artists including Henri de Toulouse-Lautrec and Vincent van Gogh. 

As an artist and, more meaningfully, as a teacher of painting and drawing, Fernand Cormon was one of the most transformative artists of the twentieth century, teaching several artists whose number included Henri de Toulouse-Lautrec and Vincent van Gogh.