Read the dialogue and answer the question.
Alex: I want to adopt a dog, but I have a small apartment. Are there any small dogs at the shelter?
Mia: Yes, we have a Chihuahua and a Shih Tzu. They are both calm and don't need much space.
Alex: Perfect! I can take one of them. But I work long hours. Will they be okay alone?
Mia: The Shih Tzu is more independent. The Chihuahua needs more company.
Which dog should Alex choose based on the conversation?
A)The Chihuahua, because it is calm
B)The Shih Tzu, because it can be alone for longer hours
C)Both dogs, since both are small
D)A large dog, because it needs more space