The story of Antonio Sanz is mentioned at the beginning in order to______.A．show how influ

The story of Antonio Sanz is mentioned at the beginning in order to______.

A．show how influential the American culture is

B．explain that Sanz"s parents have made a good decision

C．describe how to land in a good job

D．illustrate as an example what a change English can bring to a person"s life

请帮忙给出正确答案和分析，谢谢！