You're a security guard at an airbase in Florida. Seeing a suspicious character sneaking around, you stop him. You wonder where he is from and ask.
a. Donde esta la puerta?
b. Habla usted espanol?
c. De donde es usted?
d. Por que?
The correct answer would be C, De donde es usted? Because it makes more sense than the rest of the answer choices, the translation for it would be: Where are you from? I hope this helped :)