Which Statement Indicates That a Father Understands the Treatment for His

Which statement indicates that a father understands the treatment for his child who has scarlet fever?

A) "I can stop the medicine when my child feels better."
B) "I will apply antibiotic cream to her rash twice a day."
C) "I will give the penicillin for the full 10 days."
D) "My child can go back to school after 7 days of antibiotics."