32. The sentence in lines 73–75 and the last sentence of the passage are examples of the author’s rhetorical technique of:
A. weaving sarcasm into a mostly casual and playful
B. interjecting a lighthearted tone into a primarily technical article.
C. integrating a slightly combative tone into an article that mostly praises two scientists’ work.
D. incorporating personal anecdotes into an article that mostly reports data.