将句中提到的动物与叫声配对。

① Look at the pigs.       A. Baa…baa…!

② It's a white sheep. B. Moo…moo…!

③ I can hear a horse.       C. Oink…oink…!

④ I have a duck.       D. Neigh…neigh…!

⑤ I can see a cow.      E. Ouack…quack…!