The phrase "remembering the days when he would have gone outside" is describing the man. Participial phrases always have a participial, in this case remembering and have gone, and these phrases act like adjectives to describe the subject on the sentence. The answer is participial phrase.
The correct answer would be B because id does say that they were seperated from loved ones.
I think it is D
Hope my answer help you?!
The answer is Miss Stacy<span> ... who </span>will<span> study every day after school to prepare for the </span>entrance exam<span> to Queen's ... They study for an hour every day, but begin to lose </span>their<span> drive when spring comes and the other </span>students<span> leave school early every day</span>