Read the following article and answer the question. Article: Dear Mr Han, I just turned 12 years old, but I am very thin and not as tall as my classmates. My brother is 20 and is very tall. My father is also very tall. I eat lots of vegetables every day. I like eating fruit, but I don't like eating meat. I sleep for eight hours a day. I want to be tall. I am taking medicine. I think that medicine can make me grow tall. My head teacher tells me that you are a great Chinese doctor. Can I grow tall? Do I need to take the medicine? Yours, Jack Dear Jack, I think that you can grow tall, because your father and brother are both very tall. You are still growing. As for the medicine, you should stop taking it. It is not good for your health. You should eat more meat. I am happy that you like eating vegetables and fruit. A balanced diet is very important for your health --and it can make you grow tall. Yours, Mr Han ,. Question: What does Jack want? Answer:

Available options: - He wants to be tall.. - He wants to be thin.. - He wants to be healthy.. - He wants to be good-looking..
Answer:
He wants to be tall.