Sentence structure-
Many patients (who are diagnosed with deficiencies in Vitamin A, Vitamin C, and Vitamin B12)
overcompensate for the shortcomings in their diet
by imbibing a higher than medically recommended amount of vitamin supplements that have the potential of leading to kidney damage.
vitamin supplements don't have the potential to lead to kidney damage. The practice of imbibing a higher than medically recommended amount of vitamin supplements does.
(A) vitamin supplements that have the potential of leading to
Incorrect. vitamin supplements don't have the potential to lead to kidney damage. The practice of imbibing a higher than medically recommended amount of vitamin supplements does
(B) vitamin supplements that have the potential to lead to
Incorrect. Same error as A. Only change is "of leading to" - changed to "to lead to"
(C) vitamin supplements that potentially can lead to
Incorrect. Same error as A
(D) vitamin supplements, a practice that can, potentially, lead to
Correct
(E) vitamin supplements, a practice that has the potential for leading to
Incorrect. potential for leading to is awkward. D is better choice
D is the correct answer