A. George Washington
B. George Harrison
C. Robert Zemeckis
D. none of these
George Washington served as the first President of the United States from 1789 to 1797.
On April 30, 1789, George Washington, standing on the balcony of Federal Hall on Wall Street in New York, took his oath of office as the first President of the United States.
The correct answer to the question: "Who was the first president of the United States of America ?" is "George Washington".