Which set of commands conditionally advertises 172.16.0.0/24 as long as 10.10.10.10/32 is in the routing table?

Which set of commands conditionally advertises 172.16.0.0/24 as long as 10.10.10.10/32 is in the
routing table?
A)

B)

C)

D)

A.
Option A

B.
Option B

C.
Option C

D.
Option D