根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。 选项中有两项多余选项。
I was ten when I first sat with my grandmother behind the cashier（收银台）in her general store.   71   I quickly learned the importance of treating customers politely and saying “thank you.”
At first I was paid in candy.     72    I worked every day after school, and during the summer and on weekends and holidays from 8 a.m. to 7 p.m. My father helped me set up a bank account.   73 
By the time I was 12, My grandmother thought I had done such a good job that the promoted me to selling cosmetics（化妆品）. I developed the ability to look customers directly in the eye. Even though I was just a kid, women would ask me such things as “What color do you think I should wear?” I took a real interest in their questions and was able to translate what they wanted into makeup（化妆）ideas.  74 
The job taught me a valuable lesson: to be a successful salesperson, you didn’t need to be a Rocket scientist—you needed to be a great listener. _ 75__ expect they are NO longer women purchasing cosmetics (        ) from me; instead, they are kids who tell me which toys they would like to see designed and developed.

A．Later I received 50 cents an hour.

B． Before long , she let me sir there by myself.

C．I ended my selling a record amount of cosmetics.

D．Today I still carry that lesson with me: I listen to customers.

E.     My grandma’s trust taught me how to handle responsibility.
F.     Soon I found myself looking more beautiful than ever before.
G.    Watching my money grow was more rewarding than anything I could have bought.