阅读下面材料，从每题所给的A、B、C、D四个选项中选出最佳选项。

I teach because there is a great fulfillment that comes in working with girls and boys.

I teach because I wanted to be an artist, and I can do so, by painting dreams for children.

I teach because I wanted to be a musician, and I can, in giving inspiration to children.

I teach because I wanted to be a   , and I can, in writing impressive passages of mankind.

I teach for it is in this where I can see the worthwhile and true fulfillment of living.