阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。
A
Elizabeth and I are 18 now, and about to graduate．I think about our primary-school friendship, but some memories have blurred （模糊）．What happened that day in the fifth grade when Beth suddenly stopped speaking to me? Does she know that I've been thinking about her for seven years? If only we could go back, and discover what ended our relationship．
I have to speak with Beth．I see her sometimes, and find out school is "fine"．It's not the same．It never will be．Someone says that she's Liz now．What happened to Beth?
I can't call her．Should I write? What if she doesn't answer me? How will I know what she's thinking?
Yes, I'll write her a letter．These things are easier to express in writing．"Dear Be-," no, " Dear Li," no, " Dear
