Given below are two statements : one is labelled as Assertion (A) and the other is labelled as
Reason (R).

Assertion (A) :
A person with blood group O is supposed to be an universal donor.

Reason (R):
Group O does not contain any antigens.
In the light of the above statements, choose the correct answer from the options given below :

A

Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).

B

Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).

C

Assertion (A) is true, but Reason (R) is false.

D

Assertion (A) is false, but Reason (R) is true.