In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech. Vaibhav said to me, "Has your father returned from work?"

• Vaibhav asked me whether my father has returned from work.
• Vaibhav asked me whether my father had returned from work.
• Vaibhav asked me whether my father has had returned from work.
• Vaibhav asked me whether my father had been returning from work.