What does Forrest respond to President Kennedy'；s question “How do you feel to be all- American， sir？”

What does Forrest respond to President Kennedy'；s question “How do you feel to be all- American， sir？”
A.Very， well.Sir.
B.I don’t know.
C.I gotta pee.
D.It’s my honor， sir.
正确答案：I gotta pee.