Sentence Correction (SC) | Re: Mummies found in the valley crypts, an example of some of the earliest

a) crypts, ((an example)) of some of the earliest known sufferers of heart disease, ((indicates)) - incorrect

b) crypts are examples of some of the earliest known ((heart disease cases)) and ((indicates)) - incorrect

c) crypts, ((examples)) of some of the earliest known sufferers of heart disease, indicate - incorrect

d) crypts are an example of some of the earliest known sufferers of heart disease and indicate - Correct usage of verb and modifier

e) crypts ((is)) an example of some of the
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