Final answer:
The nurse should focus on actively listening to the parents' concerns, teaching them about the child's medical needs, and providing time for them to ask questions.
Step-by-step explanation:
The least appropriate option for the nurse at this time would be Offer suggestions for support services. While providing support services is an important aspect of care, it may not be the most immediate need for the parents in this situation. The nurse should focus on actively listening to the parents' concerns, teaching them about the child's medical needs, and providing time for them to ask questions.