A Parent of an Infant with Colic Tells the Nurse,"All

A parent of an infant with colic tells the nurse,"All this baby does is scream at me; it is a constant worry." The nurse's best action is:

A) Encourage parent to verbalize feelings.
B) Encourage parent not to worry so much.
C) Assess parent for other signs of inadequate parenting.
D) Reassure parent that colic rarely lasts past age 9 months.