**Core Concept**
The neonate's nutritional needs must be met to support growth and development, particularly in a preterm baby who may have increased energy expenditure. Enteral nutrition is preferred over parenteral nutrition to promote gut maturation and reduce the risk of complications.

**Why the Correct Answer is Right**
Parenteral nutrition, delivered through a central venous catheter, is an option for neonates who cannot tolerate enteral feeding. However, it carries risks such as catheter-related complications, metabolic disturbances, and cholestasis. In a preterm neonate, enteral nutrition is preferred, and in this case, the baby can be fed through a nasogastric tube (NGT) or, if possible, an orogastric tube directly into the stomach. This route is less invasive and allows for easier monitoring of feed tolerance.

**Why Each Wrong Option is Incorrect**
**Option A:** Enteral nutrition via NGT is the preferred method in this scenario, making oral feeding (option A) less suitable for a neonate with a nasogastric tube in place.

**Option B:** Parenteral nutrition is an option but carries more risks compared to enteral feeding, making it a less preferred choice.

**Option D:** Breast milk is ideal for neonates, but in this scenario, the baby may require a more concentrated formula to meet their nutritional needs.

**Clinical Pearl / High-Yield Fact**
In preterm neonates, the gut is more susceptible to atrophy and dysfunction if not stimulated with enteral feeding, increasing the risk of necrotizing enterocolitis.

**Correct Answer:** C. Parenteral nutrition.