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、I gotta pee.
B、I don’t know.
C、Very， well. Sir.
D、It’s my honor， sir.
正确答案：I gotta pee.