Which is the function of the "subnets" keyword in the redistribute command?

You are configuring redistribution to advertise EIGRP routes into OSPF on a boundary
router.
Given the configuration:
router ospf 1
redistribute eigrp 1 metric 25 subnets
Which is the function of the “subnets” keyword in the redistribute command?

A.
It specifies subnetted routes should be advertised into OSPF.

B.
It specifies subnetted routes should be advertised out of OSPF.

C.
It specified routes that will be summarized on the 25-bit boundary.

D.
It specifies a limit of 25 subnets for each OSPF route advertisement.

E.
None of the other alternatives apply.