Option 1 -> (A)-(II) site, (B)-(III) compliment, (C)-(I) complement, (D)-(IV) cite - Incorrect matching of homophones.
Option 2 -> (A)-(III) compliment (praise), (B)-(I) complement (goes well with), (C)-(IV) cite (reference), (D)-(II) site (location) - Correct matching.
Option 3 -> (A)-(I) complement, (B)-(II) site, (C)-(IV) cite, (D)-(III) compliment - Wrong pairing of compliment/complement.
Option 4 -> (A)-(III) compliment, (B)-(IV) cite, (C)-(I) complement, (D)-(II) site - Incorrect matching for sentences B and C.
Hence, Option 2 -> "Compliment" means praise, "complement" means to complete/enhance, "cite" means to quote/reference, and "site" means location. Each word correctly fits its sentence context based on meaning. -> correct