Diangram represents posterior region of male Cockroach. Choose the correct combination of labelling.
A. a-9th sternum, b-anal style, c-10th tergum, d-anal circus
B. a-anal style, b-anal circus, c-10th tergum, d-9th sternum
C. a-9th sternum, b- anal circus, c-10th tergum, d-anal style
D. a-9th sternum, b- anal style, c-10th tergum, d-anal circus
