Q:

At the time of the American Revolution most of the New World still belong to Spain and Portugal, whose captains and conquerors had been the first to come to its shores.
I. was still in possession of
II. yet belonged to
III. still belonged to

• 1
  Only I is correct
• 2
  Only III is correct
• 3
  Only I and III are correct
• 4
  Only I and II are correct
• 5
  No correction required