Respuesta :

I would say B. The research focus may change as the reader begins to delve into the topic. I think this because as more information is learned, the writer's stance may change or need to be adjusted. 

Answer:

B. The research focus may change as the reader begins to delve into the topic.

Explanation:

Most likely because as new information surfaces, points of view might be shifted and adapted considering a whole new context created and even the writer's stance on the subject might change slightly or even drastically as he or she finds out new facts.