In the following questions, a part of the sentence is italicised. Below the sentence, three possible substitutions for the italicised part are given. Choose the one which improves the italicised part. If none of the substitutions improves the italicised part, your answer is (d). Tell your leader that I grant him permission < i> of stay < /i> in my kingdom.

• A

  for stay
• B

  about staying
• Correct answer
  C

  to stay
• D

  No improvement

Hence, the correct answer is option: 'C'.