**Core Concept**
The management of acute watery diarrhea in infants involves maintaining fluid balance and electrolyte homeostasis, especially in young children who are entirely dependent on their mother's milk for nutrition. In this context, the primary goal is to prevent dehydration and ensure adequate hydration.

**Why the Correct Answer is Right**
The correct answer is to continue breastfeeding and provide oral rehydration solution (ORS) to maintain fluid balance. This approach is based on the World Health Organization's (WHO) recommendation for the management of acute diarrhea in children under 5 years of age. Breast milk provides essential nutrients, while ORS helps to replace lost fluids and electrolytes. The use of antibiotics is not recommended in this scenario, as it may disrupt the normal gut flora and increase the risk of antibiotic-associated diarrhea.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because while breastfeeding is recommended, the addition of household fluids is not a reliable or safe option for maintaining fluid balance, as these fluids may contain pathogens or other contaminants.

**Option B:** This option is incorrect because the use of antibiotics is not recommended for the treatment of acute watery diarrhea without signs of dehydration. Antibiotics can disrupt the normal gut flora and increase the risk of antibiotic-associated diarrhea.

**Option C:** This option is incorrect because the use of antibiotics is not recommended for the treatment of acute watery diarrhea without signs of dehydration. Additionally, breastfeeding alone may not be sufficient to maintain fluid balance in a child with acute diarrhea.

**Clinical Pearl / High-Yield Fact**
In infants with acute diarrhea, it is essential to continue breastfeeding while providing oral rehydration solution to maintain fluid balance and prevent dehydration. This approach is based on the WHO's recommendation for the management of acute diarrhea in children under 5 years of age.

**Correct Answer:** D. Mothers milk and ORS