Which of the Following Is the Normal Approximate Percentage of Hemoglobins

Which of the following is the normal approximate percentage of hemoglobins in adults? $\alpha$ ₂ $\beta$ ₂ $\alpha$ ₂ $\delta$ ₂ $\alpha$ ₂ $\gamma$ ₂

A) 2% 2% 96%
B) 2% 96% 2%
C) 96% 2% 2%
D) 40% 20% 40%