Which of the following options best corrects/completes statement IV?

Directions: This passage contains errors and an omission. Choose the correct option to complete the passage.

Statement I: “No smoking in the compartment” said the ticket inspector.
Statement II: “___________,” was the traveller’s reply.
Statement III: “But you have got your pipe in his mouth,” reiterated the ticket inspector.
Statement IV: “Yes, I have my feet in my boots, but I am not walking,” replied the traveller who sat besides his luggage.