从II 栏中找出适合I 栏的正确答语。 I ( )1.Who is she? ( )2. What is this? ( )3. Is this your father? ( )4. What is your mother? ( )5. Is your mother a nurse? II A. She is a doctor. B. Yes, he is. C. It's a photo of my family. D. She is my twin sister. E. Yes, she is.