What does the metaphor in this text suggest?
Trudy felt a roller coaster of emotions when she heard the news.

 - Trudy had varied feelings.
 - Trudy felt delighted about the news.
The text uses a metaphor, comparing two things that are not actually alike without using like or as.
The metaphor Trudy felt a roller coaster of emotions suggests that Trudy had varied feelings. A roller coaster has a dramatic mix of ups and downs, and so do Trudy's feelings.