I think the answer is (A).
Faustus started learning magic, because he felt that medicine, theology, or the law could do anything for him, or at least what magic could do for him.
Answer:
A.
Explanation:
I believe that the answer is A. because all throughout the passage you were told where everyone was from originally and where they live now.
The correct answer is "I can't believe he has <em>swum </em>to the island." Swum is the past principle of "swim." However, if you drop the word <em>has </em>the answer would be D and the sentence would appear much more grammatically appealing. :)