Verse 37: The larger the apartment, the ________ the rent is.

– Double comparison structure (more…more…)

The + comparative form of adjective/adverb + S+ to be/ V, the + comparative form of adjective/adverb +S+ to be/ V

Eg: The richer she is the more selfish she becomes. (The richer she gets, the more selfish she becomes.)

The more English vocabulary we know the better we speak. (The more English words we know, the better we speak.)

=> Answer B (The larger the apartment, the more expensive the rent)