Question

what is the primary purpose of the rhetorical question in the sentence below?
how can we stand by and do nothing when the world needs us most?
a to entertain the audience
b to provide evidence for an argument
c to provoke thought and inspire action
d to establish credibility

Explanation:

A rhetorical question like "How can we stand by and do nothing when the world needs us most?" is not asked for an answer but to make the audience think about their responsibility and inspire them to act, not to entertain, provide evidence, or establish credibility. So option C fits.

Answer:

C. To provoke thought and inspire action