单项选择题
[听力原文]
M: Marie, I’ll be a little late getting home today. Can you pick up Jonnie on your way back home
W: Ok, but there is no food in the refrigerator. Please phone the teacher and let him know that I will be there about 20 minutes from now.
A.Buy a refrigerator.
B.Call the teacher.
C.Buy some food.
D.Pick up the chil