Correct option is A
Amoebiasis is an intestinal infection caused by the parasite Entamoeba histolytica. Dysentery is the primary symptom, characterized by loose stools (diarrhea) that may be bloody or contain mucus. Whereas Headache and cold: These are not typical symptoms of amoebiasis, Fever: While fever can occur in some amoebiasis cases, it's not the sole cause and Severe cold: Amoebiasis is not related to the common cold.