Arrange ganglia of autonomous nervous sytem of cockroach in correct sequence from anterior to posterior end
(a) Frontal ganglion
(b) Proventricular ganglion
( c) Hyprocerebral ganglion
(d) Visceral ganglion
A. a-c-d-b
B. a-d-c-b
C. b-c-d-a
D. b-d-a-c