单选题

　　1.【阅读判断】Fermi's genius was known throughout the scientific world. In 1938 he had won a Nobel Prize. Four years later he produced the first nuclear chain reaction,leading us into the nuclear age.

　　Q：Fermi,an experimentalist as well as a theoretician,won a Nobel Prize for producing the first nuclear chain reaction in the world.

　　A.True

　　B.False

　　C.Not Given