请选择CBA+l8D9_6]+W0{+e2E,e*R7k*n)r.`/R A: Who is that girl? B: _____ is my sister..f4Y9f-]+J)V3E+C
A. He.f4Y9f-]+J)V3E+C
B. She.f4Y9f-]+J)V3E+C
C. It.f4Y9f-]+J)V3E+C