Select the most appropriate option to substitute the highlighted word segment in the given sentence.
"Take a lot of care in writing official letters because they leave a trail behind."

Correct option is B

Explanation of the Correct Answer: · The phrase "leave a trail behind" implies creating an impact or evidence.
· "A lasting impression" (b) correctly conveys this meaning.
Why Are the Other Options Incorrect? · (a) "a sound effect" → Incorrect; it refers to audio effects, which is irrelevant here.
· (c) "a longing desire" → Incorrect; it means a deep wish, which doesn’t fit the context.
· (d) "a temporary exposure" → Incorrect; it suggests short-term visibility, which is not the intended meaning.
Thus, the correct sentence is:
"Take a lot of care in writing official letters because they leave a lasting impression."