NEET Biology question

Islets of Langerhans have …A… cells which secrete …B… hormone. This hormone reduces the blood glucose level by converting glucose into glycogen. Islets of Langerhans also have …C… cells which secrete …D… hormone. This hormone increases blood glucose by converting glycogen to glucose. Choose the correct combination for A, B, C and D.

• (A)A-α, B-glucagon, C-α, D-insulin
• (B)A-α, B-insulin, C-β, D-glucagon
• (C)A-β, B-insulin, C-α, D-glucagonCorrect
• (D)A-α, B-glucagon, C-β, D-insulin