21. Which choice most effectively introduces the paragraph?
Your Answer is
Correct Answer is D
Explanation
The main point of this paragraph is about "The protagonist has designed a feasible plan after many attempts." Item D is the main point of the paragraph.
Item A: "Piles of corks threaten to occupy Pollack's apartment", which does not fit the gist.
Item B: "For a few months, Pollack persuaded people to help him", which is inconsistent with the main idea.
Item C: "Pollack is worried that he will suspend his cork boat dream", which is inconsistent with the main idea.