A Provider Has Ordered Gardasil to Be Given to a Prepubertal

A provider has ordered Gardasil to be given to a prepubertal 9-year-old female.The parent asks the nurse if this vaccine can be postponed until the child is in high school.The nurse will tell the parent that Gardasil

A) is less effective in older adolescents.
B) is more effective if given before sexual activity begins.
C) is more effective if given prior to the hormonal changes of puberty.
D) is not effective if given after the onset of menses.