A nurse is caring for a client who has toxoplasmosis and asks about the cause of the infection. Which of the following responses should the nurse make?

A. Handling cat feces: Toxoplasmosis is most commonly transmitted through exposure to Toxoplasma gondii, a parasite found in cat feces. Handling contaminated litter, soil, or sand without proper hygiene can lead to infection, making this the correct response. B. Drinking contaminated water: While contaminated water can transmit various infections, toxoplasmosis is primarily associated with exposure to cat feces or undercooked meat, not typically with drinking water. C. Eating shellfish: Eating shellfish can expose individuals to other types of infections, such as hepatitis A or certain bacterial infections, but it is not a known source of toxoplasmosis. D. Touching body fluids: Toxoplasmosis is not spread through casual contact with body fluids like saliva, blood, or urine. It is mainly transmitted through ingestion of the parasite from contaminated sources.