Hey there!
I dont quite get it, Are we trying to find antonyms? And if so, is there an underlined word we need to focus on?
Unless, you are talking about "opposite of".
The prefix that you would find in a word to indicate "opposite of." is "Dis."
Answer:
But her hand trembled when she put down the fourth bun.
Explanation: hope it helped
Answer - B) The Great Depression
During The Great Depression no one had any money and everyone was out of their jobs. It was extremely hard times, so this song "Brother, Can You Spare a Dime?" was saying "I need money. Could you spare even a dime."
Best of luck,

Inflammatory means relating to or causing inflammation of a part of the body.