Which Statement by a Parent Indicates Understanding of Instructions on the Care

Which statement by a parent indicates understanding of instructions on the care of a child with conjunctivitis?

A) "I should treat my other children with these eyedrops to prevent spread of the disease."
B) "My child must remain home from school until he has received 72 hours of antibiotic drops."
C) "I should avoid touching the tip of the ointment tube to my child's eye."
D) "My child may go back to wearing his contact lenses 24 hours after treatment has started."