Which of the following best summarizes the main idea of “the scarlet ibis”? a. memories remain clear even with the passing of time. b. the world of nature is fragile and must be protected. c. close friendships are rare among family members. d. pride can cause people to be cruel even to those they love.

D. Pride can cause people to be cruel even to those they love.

The story of "The Scarlet Ibis" is a sad one. A story of two brothers, one with no physical defect and while the other one suffers physical deficiency. The story shows how someone's pride can destroy someone intentionally and unintentionally even to those people they dearly loved.