Identify the sentences where an adverb has been used:

(A) Don't talk so loud.
(B) He spoke in a loud voice.
(C) It's raining hard.
(D) This is a hard exercise.
(E) May you live long.

Choose the correct answer from the options given below:

(A), (C), (E) Only

The correct answer is Option (2) → (A), (C), (E) Only

This question is likely testing adjective vs. adverb usage or correct grammatical structure.

 (A) "Don't talk so loud." → Correct

• "Loud" is used as an adverb here, which is acceptable in informal usage.
• However, in formal grammar, "Don't talk so loudly" would be more appropriate.

❌ (B) "He spoke in a loud voice." → Incorrect

• "Loud" is an adjective modifying "voice," which is grammatically correct, but it does not match the pattern of adverbial usage like (A) and (C).

 (C) "It's raining hard." → Correct

• "Hard" is used as an adverb modifying "raining" (meaning "heavily").

 (D) "This is a hard exercise." → Incorrect

• "Hard" is an adjective modifying "exercise," not an adverb.

 (E) "May you live long." → Correct

• "Long" is used as an adverb modifying "live" (meaning "for a long time").