The correct answer of the given question above would be option C. The sentence that is inverted with the subject underlined is: There was a big group here last night. (Group is underlined.) The subject of this sentence is the word "group".
The second answer is the closest.
Answer:
33. My brother may travel to India soon
34. I'm sure you will love the food in Japan
35. our neighbors may not be at home this weekend
36. Can dad buy our train tickets online?
37. Can your visitors arrive on time?
A non-restrictive modifier add information that does not restrict who the subject can refer to (compare to "The one Marlena that enjoys many subjects" -this one restricts the subject to a specific Marlena). Here it's "who enjoys many different subjects" - it adds additional information about her, but doesn't change the referent.
