In a stretched vSAN cluster, how is Read Locality established after fail over to the secondary site?

A. 100% of the reads comes from vSAN hosts on the local site

B. 50% of the reads comes from vSAN hosts on the local site

C. 100% of the reads comes from vSAN hosts on the remote site

D. 50% of the reads comes from vSAN hosts on the remote site

Reference: https://www.vmware.com/files/pdf/products/vsan/vmware-virtual-san-6.1-stretched-cluster-guide.pdf (45)