听力原文：W: Is the baby with you, John？ He's not in the kitchen.M: He isn't here, Mary. Pe

听力原文：W: Is the baby with you, John？ He's not in the kitchen.

M: He isn't here, Mary. Perhaps he's upstairs.

W: Please go and see... He's very quiet.

M: All right, I'll go and see... Mary, he's not in his room.

W: Is he in our room？

M: No, he's not there either.

W: My God! Where's he then？

M: Oh, he's here, in the washroom!

W: In the washroom？ What's he doing there？

M: He's cleaning his shoes with your toothbrush!

What did Mary ask John to do？

A．To help her.

B．To look for their baby.

C．To do some washing.