An Elderly Female Patient Has Presented to the Emergency Department

An elderly female patient has presented to the emergency department with altered mental status,hypothermia,and clinical signs of heart failure.Myxedema is suspected.Which of the following laboratory findings support this diagnosis?

A) Elevated adrenocorticotropic hormone
B) Elevated cortisol levels
C) Elevated T3 and T4
D) Elevated thyroid-stimulating hormone