Identify the correct statement about Pheretima.

Integumentary nephridia are present in Pheretima from 3rd to last segment and open out by nephridiopores.In a mature earthworm, the setae are absent in 1st, last and clitellar segments.Integumentary nephridia as forests of nephridia are present in clitellar segments, 15th and 16th segments have septal nephridia also.Spermathecae are paired structures found in 6th - 9th segments. Their openings are present in 5/6, 6/7, 7/8 and 8/9 intersegmental grooves.