The correct answer is '(c)'. Key Points - The error lies in Part (c) of the sentence. - The given sentence is not making complete sense. - A preposition 'to' should be used before the phrasal verb 'pointout' in this context. - Therefore, the use of 'it' in Part (c) of the sentence should be replaced with 'to' to make it grammatically correct. - Therefore, the correct answer is '(c)'. Correct sentence: He refused to change his decision; he refused to point it out.
