Step 1: Understand the meaning of the sentence.
The sentence intends to convey that the young man was emotionally influenced by the passionate appeal.
Step 2: Examine the underlined part.
The phrase “was carried by” is grammatically incorrect and does not convey the intended idiomatic meaning.
Step 3: Analyze the options.
(A) was carried towards: incorrect usage
(B) was carried off by: means removed or kidnapped — incorrect
(C) got carried away by: correctly means emotionally influenced — correct ✔
(D) No improvement: incorrect since improvement is needed
Step 4: Final conclusion.
The improved sentence is:
\textit{“The young man got carried away by the passionate appeal made by the social worker.”}