The structure and rhetorical style that the author uses in the letter to the editor of the Daily News is to inform readers about the new ideas about the disease using scientific evidence as support. They used problem/solution with a logical appeal.
It's not any kind of comparison. Disaster is not compared to either man or wife or both. That makes A and B incorrect.
The problem is that both C and D have possibilities.
Discussion Hyperbole
Usually Hyperbole is an exaggeration used to suggest a humorous condition. We would not take the exact meaning seriously but we might take what the hyperbola is suggesting seriously.
Your smile is worth a million dollars to me.
There once was an ad for Camel's cigarettes that said "I'd walk a mile for a camel." People found the double meaning (cigarette and 4 legged animal) catchy. They also responded to the idea of walking a mile for a camel (either one). The point is, would you really walk a mile for either one? It's exaggerated.
Personification
These are attributes given to things or animals other than other inanimate things. In your case, your example swallows up man and wife together is a personification because whatever doing the swallowing, normally can't do it.
C <<<<< Answer
We first need to identify what a superlative form of an adjective is. That is when the adjective is put in a comparison, and is done so in it's higher form. For example, take the adjective "great". The superlative form would be "greatest". That would imply that there are, including the object that the superlative adjective is describing, 3 or more things. So, you use it only when comparing 3 or more nouns.
a mark to indicate where a correction is needed.
One tradition is to wear green!
