Identify the correct statements with reference to nervous system of Periplaneta
(i) Brain is mainly sensory and an endocrine gland
(ii) All thoracic ganglia supply nerves to the parts of their respective segments only
(iii) Sixth abdominal ganglion is the largest of all abdominal ganglia
(iv) Frontal ganglion is connected to ingluvial ganglion by a recurrent nerve

Options

A. ii and iv
B. ii and iii
C. `i` and ii
D. `i` and iv

Answer

C