2.　　Hi, my name is Eric. I am 15 years old. I am from Japan. This is my family picture.　　My father, Jeff, is fifty-two and he is a police officer. My mother, Beth, is a high school English teacher and she is fifty years old. My sister, Emily, is also a student. She is younger（較年輕的）than（比）me. We are a close family. Oops, I forget（忘記）to introduce（介紹）our cute puppy, Cutie. She is two years old, and she is in Emily’s arms（手臂）in the picture.
【題組】1. How old might（可能）Emily be?
(A) 20.　
(B) 17.　
(C) 13.　
(D) 2.