Assertion(A): Arachnoid layer helps in speeding up the transmission of nerve impulses along the axons.
Reason(R): Axon endings at the synapse secrete acetylene.
(a) (A) is true and (R) is false. (b) (A) is false and (R) is true.
(c) Both (A) and (R) are true. (d) Both (A) and (R) are false.