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 We shouldn’t spend our money testing so many people， most of ________ are healthy.

A. that　　　B. which　　　C. what　　　D. whom

We shouldn’t spend our money testing so many people， most of　　　 are healthy.?

A.that　　　　　　　 B.which　　　　　　　　 C.what　　　　　　　 D.whom