The correct option is C Yersinia pestis
Plague is an infectious bacterial disease caused by the bacterium Yersinia pestis. This bacterium is usually found in rodents and their fleas. The symptoms are fever, headache, weakness, and rapidly developing pneumonia with shortness of breath, chest pain, and coughs that can be treated with the help of antibiotics.
Trichinella spiralis is a nematode (roundworm) that causes trichinosis, which is transmitted due to undercooked meat.
Salmonella typhimurium is a bacterium that causes typhoid fever.
Leishmania donovani causes leishmaniasis. These are transmitted by sand flies.