a. 2                           

b. 3                                     

c. 4                     

d. 1

Transcript:

1. A: Why do you like lions?

B: Because they roar loudly.

2. A: What are these animals?

B: They are giraffes. I like them.

3. A: Do you like hippos?

B: Yes, I do.

4. A: Why do you like crocodiles?

B: Because they can swim.