The mother was paying attention to the boy , and so I stuck my tongue out at the baby , as you do . I was rewarded with a huge , hilarious toothy grin , but I had been spotted ! Not by the baby 's mother , but by her big brother , who imperiously shouted " Hey ! Stop doing that to my baby ! "
According to the above context, choose the best option to answer the following question.
Question: Which of the following is true of the baby ?
Options:
A. The baby is a brother .
B. The baby has a sibling .
C. The baby has no teeth .
D. None of the above choices .


B