A Nurse Teaches a Mother of a 2-Month-Old Infant to Be

A nurse teaches a mother of a 2-month-old infant to be sure that the floor is free of small objects when her child is crawling. The reason for this is that:

A) sharp objects can easily injure the infant's skin.
B) the infant could hide small objects making them harder to find.
C) the infant can easily pick up small objects
D) it is very hazardous for them to pick up things from the floor.