Qian Xuesen was a great scientist. （1） He is also known as “the King of the Rocket.” Thanks to his research, China’s space technology has progressed in a rapid way.

Qian was born in Shanghai on December 11th, 1911. （2） After graduation, he worked in America for a few years. In the early 1950s, he heard that New China had been founded（建立）, and he decided to give up the good working conditions in America. Although the American government tried to stop him from leaving, he succeeded in coming back to China in 1955.

（3） Then it became the leading organization for China’s rocket and air travel. At that time, the conditions in China were too hard. （4） On April 24, 1970, China’s first man-made satellite（卫星）, “Dongfanghong I” was successfully sent into the air.

A student of Qian Xuesen, Zhu Yilin, once said, “I learned professional knowledge and working spirit from Mr. Qian. （5） When New China needed scientists badly, he returned to help in the rocket industry.”

根据短文内容，将下面的选项还原到文中空白处，使短文内容完整、通顺，每个选项只能用一次，其中有一个选项是多余的。

A. I sensed his deep love for our country, too. B. Who visited Qian Xuesen when he was in China? C. At the age of 24, he went to America to study. D. But Qian and his team still faced the difficulties bravely. E. He is known as “the Father of China’s Space Program.” F. In 1956, Qian Xuesen suggested starting a special organization.

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