The correct answer is D. He asked me if I could sing and I said no.
A. He asked me that could I sing and I refused.
This is incorrect because the speaker did not use the word “that”. The speaker said “Can you sing?”, which is a question.
B. He asked me if I could sing and I said that I couldn’t.
This is incorrect because the speaker did not use the word “that”. The speaker said “Can you sing?”, which is a question.
C. I denied, when he asked me if I could sing.
This is incorrect because the speaker did not use the word “deny”. The speaker said “No”, which is a negative answer.
D. He asked me if I could sing and I said no.
This is the correct answer because it is the only option that accurately reflects what the speaker said. The speaker asked “Can you sing?” and the listener said “No”.