题目内容：
Whichofthefollowingstatementsistrueofthetext?
A．Avegetariandietwillbringaboutoptimalhealthregardlessofanybloodtype B．Avegetariandietwillproduceaneutraleffectforpeoplewithbloodtype.
C．Thesamedietforpeopleofdifferentbloodtypeswillbenefittheirhealt
D．Differentdietsforpeopleofthesamebloodtypewillproduceadversehealtheffec
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答案解析：