Let's match the questions with the correct answers (a-e):
1. Where are you from? **c**
2. How old are you? **e**
3. When's your birthday? **a**
4. Who's your best friend? **b**
Explanation:
* Question 1, "Where are you from?", seeks information about origin, and 'c' provides that information.
* Question 2, "How old are you?", seeks information about age, and 'e' provides that information.
* Question 3, "When's your birthday?", seeks information about a date, and 'a' provides a date.
* Question 4, "Who's your best friend?", seeks information about a person, and 'b' provides that information.