Which of the following is true about blood transfusion?

A.

person of blood group AB can donate blood only to another person of blood group AB

B.

persons of blood groups A and B can donate or receive blood from each other

C.

A person of blood group AB acn receive blood only from persons of blood group A or B

D.

A person of blood group O can donate only to a person of blood group O

Correct answer is A

No explanation has been provided for this answer.