Correct Option: B

Infant Mortality Rate (IMR) s most widely accepted as one of the most sensitive indicator of health status of a country/region due to several reasons. The IMR always reflect the overall health scenario of a region/ country. The rate is low in developed countries and high to very high in developing underdeveloped countries. If health infrastructure (preventive and curative infrastructures) of a region of a country is very good, the IMR is always good.