"Of" is a preposition in the phrase "Of studying" and "until" is another, as well as "to" in the phrase "to college" so there are 3 in that sentence.
I believe it’s C. Hops it helps :)
Explanation:
In an informational text, all the information are true but explanatory texts might not have real information
Answer:
be persuaded to volunteer at the local homeless shelter.
Explanation:
