阅读下列短文，从每题所给的四个选项（A、B、C、D）中，选出最佳选项。
My heart beat with that feeling, pumping it like blood to my body as my fingers flew across the piano keys. As the piece neared the end, I stood up to take my final bow. For a second, the room was quiet. Yet, even in that one second, I had enough time to doubt whether I had done everything perfectly. Then, suddenly, the applause came.
“Thank you… so much,” I said, turning to Olga, my piano teacher for six years. “You’ve been an amazing student all these years,” she said, “and I hope that whatever you do, you never stop practicing.”
I leaned forward, promising I would always keep playing because I loved piano, and hugged her.
It turned out to be that promises weren’t as meaningful as I’d hoped for them to be. Right after quitting, I kept up my strict practicing schedule. Soon, it began slipping away from me. After all, the reason I had stopped taking lessons was that my schedule was busy with homework. Not long after, I stopped practicing altogether. It was pleasing not to have to stress about piano anymore. But something was shifting inside of me. I was empty inside.
One day I met Michelle, who had also taken piano lessons from Olga for quite a while.
