单项选择题

Man: Look at this baby patting device. It helps the baby fall asleep by patting it.
Woman : ()_.
Man: How
Woman: If the baby moved mound and the patter patted it on the head, it could injure the baby.

A.The possible disadvantage is that it could actually harm the baby.
B.There’s a baby doll in it.
C.Most of the patting device is made of steel.
D.I think the device is big enough for the baby.