The right answer is "D. Tim O'Brien"
William Timothy "Tim" O'Brien (born October 1, 1946) is an American novelist, postmodernist writer. He is best known for his book The Things They Carried (1990), a collection of linked semi-autobiographical stories inspired by O'Brien's experiences in the Vietnam War. In 2010, the New York Times described O'Brien's book as a Vietnam classic. In addition, he is known for his war novel, Going After Cacciato (1978), also about wartime Vietnam and later novels about the lives of postwar veterans.