某同学暑假乘汽车旅游，放眼窗外，地表破碎，千沟万壑，此时汽车正奔驰在（　　）

A．黄土高原

B．云贵高原

C．内蒙古高原

D．青藏高原

E

Last year, Shanghai-born Charles K. Kao and two North American scientists got the 2009 Nobel Prize(诺贝尔奖) in Physics together. Their work made the Internet come into a new age.

Kao, 77, was born in Shanghai in 1933. He is famous for finding out how to transmit (传输)light signals(信号) over long ways through glass fibers (玻璃纤维) as thin as a human hair. His work makes the Internet information transmit faster around the world. Kao was vice chancellor(副校长) of the Chinese University of Hong Kong from 1987 to 1996. He doesn’t work, and lives in Hong Kong now.

The Chinese people were pleased to learn the good news. "The people of Hong Kong and I send our congratulations to Kao on receiving the prize... Kao is also a true gentleman. We are greatly proud to have such an excellent person in Hong Kong. "Zeng Yinquan once said.

Willard Boyle, a Canadian American, and George Smith of the United States got the other half of the prize.

Zeng Yinquan thinks Kao is （）.

A．an excellent person in Hong Kong

B．a good student

C．an honest friend

D．a cool man