Consider the following statements

I. Sympathetic nerve input to skeletal muscle causes the blood vessels in the muscle to dilate.

II. Blood flow can be regulated by autonomic nerve signals emanating from of the brain.

III. Carotid artery, Chemosensors detect low O₂ levels in the blood and promote increased blood pressure.

IV. Hormones such as angiotensin and vasopressin cause venules to constrict.

The correct statements include

(A) I, II, III, IV

(B) I, II, III

(C) II, III, IV

(D) I, II, IV