单项选择题

John F. Kennedy was the youngest American to be elected president of the United States. During the World War II John F. Kennedy had an outstanding record in the Navy. After the war Kennedy worked briefly as a newspaperman, then entered politics. He was three times elected to the House of Representatives before becoming a senator from Massachusetts. In 1960 he was elected president in a very close race in which there were charges of irregularities.
Kennedy’s term of office was marked by the achievements in appeals to idealism, a broad participation of people in politics, and improved civil rights. In international affairs, Kennedy saw the failure of the American-backed invasion of Cuban missile crisis which brought Russia and the United States to the brink of war.
The Kennedy family has experienced victories and tragedy. One of John Kennedy’s sisters was mentally backward and an old brother was killed in the war. John Kennedy was assassinated as was his brother, Robert Kennedy. The family has suffered scandals of sex, alcohol, and drugs in both John’s generation and in this present generation. Many believe that for the young, wealth and a prominent family too much, too soon, too easy are more of a curse than a help.

According to the passage, which of the following is FALSE()

A.John Kennedy’s elder brother was killed in the war.
B.John Kennedy was assassinated by his brother Robert Kennedy.
C.One of Kennedy’s sisters was slow in her mental development.
D.Kennedy family has suffered scandals for generations