Q. In 1937 . . . . . . . . explorer Sir Hubert Wilkens set out to search for . . . . . . . . Soviet airman whose plane had gone down over . . . . . . . . North Pole.

• A. no article, a, the
• B. the, no article, no article
• C. no article, the, no article
• D. the, a, the

Correct Answer: D