It can be inferred from the passage that which of the following would be LEAST likely to b

It can be inferred from the passage that which of the following would be LEAST likely to be a potential source of aid to a patient who was not adequately producing and releasing serotonin？

A．Meals consisting almost exclusively of protein.

B．Meals consisting almost exclusively of carbohydrates.

C．Meals that would elicit insulin secretion.

D．Meals that had very low concentrations of tyrosine.

E．Meals that had very low concentrations of leucine.

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