In an individual X , the pituitary gland was found to function normally, while the adrenal glands were atrophied. In another individual Y, both the pituitary and adrenal glands were underdeveloped. If adrenocorticotropic hormone (ACTH) is administered to these individuals as a remedial measure, it will be effective in

• A

  individual X alone.
• B

  individual Y alone.
• C

  both X and Y .
• Correct answer
  D

  neither X nor Y .

Hence, the correct answer is option: 'D'.