Answer:
The lack of in-person activities has made it harder to build and sustain friendships, especially if you're a first year student. In other years, making friends happened organically as you'd meet people in a mix of social situations. Because of coronavirus, a more planned approach is required.
The routines help the social activities of students
Using the context clues in the sentence. You can accurately determine the meaning of the word onerous. The sentence starts off with stating a 10 - page research project. That would most likely be tedious and hard. So the best answer choice is answer C. Difficult