Belal said to me, "I had been working on it for 5 days."

A Baljinder told me that he had been working on it for 5 days.

B Baljinder told me that he has been working on it for 5 days.

C Baljinder told me that he had worked on it for 5 days.

D Baljinder told me that he was working on it for 5 days.

Correct Answer: Option A

When Reporting verb in past Tense and reported speech is in "Past Perfect Continuous Tense", then we do not change the tense of the reported speech.