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. :)
Component Definition: A part or element of a larger whole
Answer:
The Answer is (c) A, A, B, B
Explanation:
