Can someone help me on this?

Metonymy is best defined as a figure of speech in which

79 one theme in stowe’s uncle tom’s cabin is a)circle of lifeb)true christianityc)american ideals and realityd)families destroyed by slavery

Read the passage below and answer the question. marcus had a reputation for being craven. no one had ever seen him do a single brave thing. using context clues, how would you define the word craven in the passage? intense courageous cowardly thoughtful