Which of these terms best describes the scale of farming today?

You did not put the answer options, but I can help you by stating that the scale of agriculture today is large-scale agriculture and it can be defined by a term that presents large farms with extremely high productivity.

Explanation:

The scales of agriculture are measured through the agricultural productivity achieved through work in the agricultural sector. Small-scale agriculture is one where productivity is low, the farmer does not produce as many products and most of them are harvested for family consumption, becoming a type of subsistence agriculture.

Large-scale farming is what we can see today, they are characterized by very large farms that promote high productivity, producing thousands of products in the shortest possible time.

it has one origin of replication, but it proceeds in two directions - d)