选出下列各句的最佳应答语。

（）1. What do you do on Sundays?

（）2. What day is it today?

（）3. Who is your best friend?

（）4. Where are you from?

（）5. How many days are there in a week?

A. It is Monday. B. I often play football. C. I am from Shandong. D. Wang Dong is my best friend. E. There are seven days.