阅读下列材料，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
A
Until I was twelve years old, I thought everyone in the world knew about the grinnies, if I thought about the term at all — which is unlikely. After all, everyone in my family used the word quite naturally, and we understood each other. So far as I knew, it was a word like any other word — like bath, or chocolate, or homework. But it was my homework which led to my discovery that grinnies was a word not known outside my family.
My last report card had said that I was a “C” student in English, and my parents, both teachers, decided th at no child of theirs would be just an average student of anything. So nightly I spelled words aloud and answered questions about the fine points of grammar. I wrote and rewrote and rewrote every composition until I convinced
