The Lowry method is based on the reaction of（ ）produced by the oxidation of peptide bonds with Folin reagent under alkaline conditions.

A．甲状软骨、会厌软骨、环状软骨
B．.甲状软骨、杓状软骨、会厌软骨
C．环状软骨、会厌软骨、杓状软骨
D．甲状软骨、环状软骨、会厌软骨、杓状软骨