which route becomes active?

Your router is receiving four BGP route advertisements for the 192.168.100.0/24 network.
By default, which route becomes active?

A.
Route C, which is learned through IBGP with an AS path of 8001, a MED of 100, and an
IGP cost of 10

B.
Route D, which is learned through EBGP with an AS path of 9900 and a MED of 200.

C.
Route A, which is learned through EBGP with an AS path of 8001 and a MED of 175.

D.
Route B, which is learned through IBGP with an AS path of 9900, a MED of 150, and an
IGP cost of 15.