Read this sentence from paragraph 2.
Yet, every so often the oath is taken amidst gathering clouds and raging storms.
Which statement BEST describes the use of a rhetorical technique in this sentence?
A. Figurative language helps to emphasize the argument.
B. Repetition shows that storms and clouds are very similar.
C. Allusion reminds the listener of the challenge of global warming.
D. Irony is used since it is not always stormy and cloudy.