Which of the Following Is Involved in the Pathway That

Which of the following is involved in the pathway that causes a jump in ventilation rate at the beginning of exercise?

A) Proprioceptors in muscles send information to the motor cortex of the brain.
B) Output from the limbic system and cardiovascular control center triggers parasympathetic discharge.
C) Widespread vasoconstriction causes increase in blood pressure.
D) Proprioceptors in muscles send information to the motor cortex of the brain and widespread vasoconstriction causes increase in blood pressure.
E) Output from the limbic system and cardiovascular control center triggers parasympathetic discharge and widespread vasoconstriction causes increase in blood pressure.