Help me make the final 160 point decision.

Playing into Tsons in a couple hours, know nothing about his list.

Im basically down to my last 160, running Wrecka/Shoota/Runtswarm priority assets.

Can't decide between three options.

A) +20 Gretchin + Zodrog + 30 Points spent to give 3 units of Gretchin scouts

B) + 40 Gretchin. No Zod/Scouts.

C) Dakkarig. More kill.