Answer:
All human beings have a bad side, and sometimes it is difficult to control it. People like Dr Jekyll have a tendency not to consider other people's feelings, they enjoy hurting others and they fail to resist negative forces. In my opinion, as long as individuals control their evil behavior, it will be difficult to make a better society because there will always be somebody who wants to cause mental and physical painto others.
I think the answer might be b
D. The social context of the 1960's discouraged innovation and exploration because people were afraid of new technologies and feared being overrun by space aliens.
It makes the reader decide for themselves.
Hemingway thought to many adjectives would force the how to feel about things.