Answer: B ‘Cavil’ and ‘Signify’ share a synonymous relationship with each other. They both mean to disagree over something or to find fault with. Similarly, ‘docile’ and ‘obedient’ are also synonyms of each other as they both refer to being easily managed or taught.
Answer: D Just as a ‘textbook’ is used by the teacher for teaching, a ‘screwdriver’ is used by the electrician for connecting wires and other electrical work.