阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
A
Robby was 11 when his mother dropped him off for his first piano lesson. I prefer students to begin at an earlier age. Robby said that it had always been his mother’s dream to hear him play the piano, so I took him on as a student.
Robby tried and tried while I listened and encouraged him and gave him more instructions. But he just did not have any inborn ability.
I only saw his mother from a distance. She always waved and smiled but never came in. Then one day Robby stopped coming to our lessons. I thought about calling him
