听力原文： He was born in Atlanta, Georgia, on January 15, 1929. He was black. He lived onl

y thirty - nine years, but he became world -famous in that short time. He grew up in the southeastern part of the United States. He studied at Morehouse College where he met many outstanding men whose ideas he found important and exciting. There he read the writings of Thoreau, which gave him many ideas about freedom. After he graduated from Morehouse, he went on to study at the University of Pennsylvania, Harvard University, and Boston University. At Boston University, he met his wife, Coretta. In 1954, after he got his Ph. D. degree, he became the minister of a small church in the South. There he became the leader of the black people, who were poor and without power. He gave speeches and led marches. For his ideas and actions, he went to prison for a short time. Many years later, in Washington, D. C. , he spoke to a crowd of 250,000 people. He told them, "I have a dream." That speech, is still famous. In 1964, he won the Nobel Peace Prize. His work was not finished when he died, on April 4, 1968. Who was he？ He was Dr. Martin Luther King.

When was he born？

A．On January 15, 1929.

B．On January 15, 1920.

C．On June 15, 1929.

D．On July 15, 1920.