W: I visited the new museum near the city center last month. It opened two weeks ago. You'd like it. M: Why? Is there lots of information about trees? W: No. It's mainly about wild birds that live in the forest. When I went there, there was a special plant exhibition, and they're having a study day for teenagers there about different kinds of clouds. M: That's useful for me when I go sailing., Question: What can teenagers learn about on the study day? (A) Clouds. (B) Plants. (C) Wild birds.
(A) Clouds.