In sentence 13, the word (IT) is best replaced by which of the following phrases?

Today (IT) is one of Hickory Colleges most beloved campus features.

A. the sycamore tree

B. the Green Thumb Club

C. the EPA

D. McCauley Arboretum

E. Hickory college

The word (IT) is best replaced by McCauley Arboretum

Explanation:

This sentence makes reference to the McCauley Arboretum after in the previous sentences in the passage it was mentioned the story of how this area became a really important and definitely symbolic part of Hickory Colleges, after all the efforts, hard word and gathering of money to save the trees.