PLEASE HELP ASAP Why did the public's opinion change about the use of DDT?

a. Several plants and animals were added to the endangered species list.

b. A biologist published a book that opened the public's eyes to DDT's harmful effects.

c. The public started to see the effects of DDT—their pets and children were getting sick.

d. A sitting president convinced the public that DDT was a dangerous carcinogen.

the excerpt from chapter 2 of "animal farm", by george orwell that is an example of foreshadowing is "these three (snowball, napoleon, and squealer) had elaborated old major's teachings into a complete system of thought to which they gave the name of animalism." animal farm is an allegory of how czarist russia developed into communist russia with all its corruption. old major's teachings represent marx's theories turned into communism, animalism, by the three pigs. this foreshadows the oppression and corruption that will follow this revolt.

the answer is c. it calls attention to the urgency of the message

he is a good writer and his works should not be questioned