The precondition for blood tranfusion to an accident victim is

A.

seeking the consent of his parents

B.

ascertaining the religious belief of the victim

C.

cross-matching the blood group of the donor with that of the accident victim

D.

curing the donor of any disease traced in his blood

E.

rewarding the donor with food and money

Correct answer is C

No explanation has been provided for this answer.