Correct Answer: Vinod said to the salesman, "Can you show me a good quality gold watch?"

Solution : The correct choice is the fourth option .

Narration Conversion:

• When if is used in a question statement in reported speech, the question in the direct speech starts with an auxiliary verb. In this context, Can is used.
• The third-person pronoun h e is changed to the second-person pronoun you in direct speech, as the words are directly quoted.
• The question is framed as a direct inquiry.
• The verb s aid is used to quote the words of Vinod.
• The question statement is enclosed in quotation marks.

Therefore, the correct direct form is: Vinod said to the salesman, "Can you show me a good quality gold watch?"