Term "Diabetes, together with its serious complications" is plural so we have to use ranks. Had it been only "Diabetes" then sentence will be Diabetes rank as third......please note we are ranking based on "leading cause of death". E.g. you can rank any food items based on deliciousness.
Sent from my SM-J700F using GMAT Club Forum mobile app
Sent from my SM-J700F using GMAT Club Forum mobile app




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