阅读下面一篇短文，从短文前的选项中选出能填入空白处的最佳选项。选项中有一个为多余选项。

A. in B. how C. but D. enough E. some F. the G. and

Born into a Yao family in Yizhang, Hunan, Jiang Mengnan’s world has been silent since she was 6 months old. At that time, ___（1）___ medicine damaged(损害) her hearing. But through her hard work, she did well at school and university. She started studying for a doctorate(博士学位) at Tsinghua University ___（2）___ 2018.

When Jiang was about one year old, her parents began showing her ___（3）___ to understand people by reading lips (嘴唇). It was really hard, but soon Jiang learned to “listen” and even speak. Jiang’s mother says she’ll never forget ___（4）___ day Jiang said “Mama” for the first time when she was 16 months old.

When she was old ___（5）___, Jiang went to a primary school instead of a special school for disabled children. She said it was difficult at first. During lessons, she had to copy down everything on the blackboard and study alone after class to keep up with her classmates. Jiang did quite well at school ___（6）___ made it all the way to Tsinghua University.

“I’m always thankful that my parents, teachers and friends never give me special attention, so I never thought I was different from anyone else,” Jiang said.