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. He said, "I had not received the passport hence I could not attend the conference held last year."

• He said that he had not received the passport then he could not be attending the conference held last year.
• He said that he has not received the passport then he could not attend the conference held the month before.
• He said that he had not received the passport, hence he could not attend the conference held last year.
• He said that he has not received the passport so he could not be attending the conference held last year.