Select from the following.
(a). one
(b). two
(c). three
(d). four
Q: Read the following article and answer the question. Article: My name is David. I'm 23and I'm a middle school teacher. I go to the school at 7:30 in the morning. I like sports. I play basketball every day. My name is Jake Smith. I'm in China with my kids . I have a daughter and a son. My daughter Lisa is in Huangzhou Middle School. She likes yellow and white. My son Eric is only 6, but he can play ping--pong. I'm Mary. I'm 10. My brother Nick is 11. He likes to play tennis after school. I have a nice room. It is tidy. But my brother's room is not the same. His books are always everywhere. Question: Jake has   _   kid(s). Answer:
A:
(b).