单项选择题

Questions 17-20 are based on the following talk introducing Andrew Jackson, one of the American Presidents. You now have 20 seconds to read Questions 17-20. Who was Andrew Jackson

A.He was the commander of the American Army during the War of 1812.
B.He was President of the United States.
C.He was one of the most colorful political figures.
D.All of the above.