I’m going to go with Fiction Adventure
The correct answer is C.
This sentence shows Algernon's doubts and critics about marriage.
Through this passage we can see that Algernon does not believe that husband and wife can be faithful to each other, and that they always need a third person to keep them satisfied.
D. Genome, because a genome is <span>an organism’s complete set of DNA, including all of its genes.</span>