”So they are” refers to the?

Read the extract and answer the question

X : So they are.
My spirits, as in a dream, are all bound up.
My father’s loss, the weakness which I feel,
The wrack of all my friends, nor this man’s threats
To whom I am subdued, are but light to me,
Might I but through my prison once a day
Behold this maid. All corners else o’th’ earth
Let liberty make use of,…

(Act 1, scene two lines 487-496)

A. speaker’s friends
B. speaker’s nerves
C. monster’s threats
D. listener’s spirits

Correct Answer:

Option A – speaker’s friends