How will traffic be split between the routers, assuming that there are many hosts on this subnet?

Refer to the exhibit. How will traffic be split between the routers, assuming that there are many hosts on this subnet?

A. All traffic will be sent to the primary router (10.1.1.100).
B. Traffic will be split equally between the two routers (10.1.1.100 and 10.1.1.101).
C. Traffic will be split 25% (10.1.1.101) / 75% (10.1.1.100) between the two routers.
D. Traffic will be split 75% (10.1.1.101) / 25% (10.1.1.100) between the two routers.