He said to his father, “Please increase my pocket-money.”

The correct answer is D. He asked his father to increase his pocket-money.

The other options are incorrect because they do not accurately reflect the tone of the sentence. Option A, “He told his father, ‘Please increase the pocket-money,'” is too formal and does not convey the sense of urgency or pleading that is present in the original sentence. Option B, “He pleaded his father to please increase my pocket money,” is too strong and suggests that the son is begging his father for money. Option C, “He requested his father to increase his pocket-money,” is too polite and does not convey