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. :)
Answer:
a: this homesick sailor is struggling to save his crewmen and himself
Answer:
pronoun is he as it is used instead of noun or name.
Answer:
Cause-and-effect relationships are signaled by the words "he finally convinced," "which 'met an unperceived need,'" and "Early results."
Explanation:
