which question most closely relates to the fosters observation and the collective scientific data on forest

The options are:

A. Did a lack of Rain cause the hemlocks to stop reproducing?

B. Are deer eating most of the young hemlocks?

C. Do the young hemlocks have a disease?

D. Why are there so many deer in the forest?

The answer is B. Are deer eating most of the young hemlocks?

Hemlocks are referred to as plants which are considered poisonous when eaten by animals. Since Deers are herbivorous and eats plants alone then the most suitable option will be B which talks about if the deers are eating most of the young hemlocks as a result of it being closely related to the relates to the fosters observation and the collective scientific data on forest.