Q. Change the speech:
Mr. Gupta said to his son, "Do not take up any responsibility unless you are confident you can do it."

• (A) Mr. Gupta advised his son not to take up any responsibility unless he is confident of doing it.
• (B) Mr. Gupta advised his son against taking up responsibility without completing it.
• (C) Mr. Gupta advised his son to take up the responsibility of completing the task.
• (D) Mr. Gupta advised his son not to take up any responsibility unless he was confident that he could do it.