Select the correct statement from the ones given below with respect to Periplaneta americana.
A. Grinding of food is carried out only by the mouth parts
B. Nervous system located dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal connectives
C. Males bear a pair of short thread like anal styles
D. There are 16 very long malpighian tubules present at the junctions of midgut and hindgut present at the junctions of midgut and hindgut