Question: Which of the following will result in an increase in the rate of tissue protein synthesis?

A: Increased glucagon secretion in the fasting state.
B: Increased insulin secretion in the fed state.
C: Increased availability of lysine in the fed state.
D: Secretion of cortisol under conditions of stress.
Please eliminate two incorrect options first, then think it step by step and choose the most proper one option. You should write your response with 150 or more words.
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