Q. Change the speech:
"Have you completed your assignment, Minu ?" said her brother.

• (A) Minu's brother asked Minu if you have finished your assignment.
• (B) Minu's brother said to Minu if she had finished her assignment.
• (C) Minu's brother asked her if she had finished her assignment.
• (D) Minu's brother asked Minu if she has finished her assignment.