In the following question, a sentence has been given in Direct/Indirect. Out of the four alternatives suggested, select the one which best expresses the same sentence in Direct/Indirect.
"I finished it several days ago," said Jack.

• Jack said that he finished it several days previously.

• Jack said that he had finished it several days.

• Jack said that he finished it several days earlier.

• Jack said that he finished it several days earlier.