Read the following statements about Pheretima and choose the set of correct statements.

(a) In each body segment, except the first, last and clitellum there are rows of S-shaped setae.

(b) The excretory organs occur as segmentally arranged coiled tubules called nephridia.

(c) Nervous system is basically represented by ganglia arranged segment-wise on the dorsal paired nerve cord.

(d) Blood glands produce red blood cells, phagocytes and haemoglobin.

(e) Four pairs of spermathecae are located in 6^th–9^th segments.