Correct option is A
Option (a) contains the adverbial usage error.
Explanation: The verb
"approached" indicates a movement or direction, which doesn’t pair naturally with the adverb
"beautifully" (which is used for aesthetic actions). A more suitable adverb would be “
gracefully” or “
confidently”.
Corrected version: Mr. Andrew confidently approached the podium.
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Information Booster: Choose adverbs based on context and the action they modify. “Beautifully” is best reserved for things like singing, painting, or writing.