Given below is a diagrammatic cross section of a single loop of human cochlea :

Question

which one of the following options correctly represents the name of three different parts ?

(1) A : Perilymph, B :Tectorial membrane, C : Endolymph

(2) B :Tectorial membrane, C : Perilymph, D : Secretory cells

(3) C : Endolymph, D : Sensory hair cells , A : Serum

(4) D : Sensory hair cells , A : Endolymph, B :Tectorial membrane