If for sets A and B there exists an injective function but not bijective function from A to B then?

Cardinality of A is strictly greater than B

Cardinality of B is strictly greater than A

If for sets A and B there exists an injective function but not bijecti

1.	If for sets A and B there exists an injective function but not bijective function from A to B then?
A.	Cardinality of A is strictly greater than B
B.	Cardinality of B is strictly greater than A
C.	Cardinality of B is equal to A
D.	None of the mentioned
Answer» C. Cardinality of B is equal to A