Michael Fern Is a 21-Year-Old College Student Majoring in Electrical

Michael Fern is a 21-year-old college student majoring in electrical engineering. His past medical history is unremarkable. He comes back to his family doctor for the second time this month due to symptoms of lethargy, fatigue, weight loss, and frequent thirst and urination.
-The registered dietitian visits with Michael to instruct him on his diabetic diet.She informs him that alcohol _____ his blood glucose.

A) may increase
B) may decrease
C) has no effect on
D) a and b
E) none of the above