Answer:synecdoche
Explanation:
The figurative language which is a part of something representing the whole thing is a synecdoche
Graham Greene's works often focus on themes of
a. death.
b. survival.
c. betrayal.
d. optimism.
The answer that is most appropriate from the question is
that Graham Greene's works often focus on themes of betrayal. The answer is letter C.
When the Authority in question tries to silence him or her .
