I need help with punctuation

On the forest floor are a number of animals feeding off the seeds, fruits, roots and leaves of the trees. Like many other things in the environment, rain forests are being threatened by increasing demands for natural resources.

the answer should be the first one. "many people find his lyrics very moving."

it by far makes the most grammatical sense and is very objective, removing any first person from the original sentence and keeping with the sentence fluency.