What happens in Hamburger shift ?
A. `HCO_(3)^(-)` ion move cut from RBC and `Cl^(-)` ions enters into RBC
B. `Cl^(-)` ions move out from the RBC nd `HCO_(3)^(-)` ions enters into RBC
C. `H^(+)` ions move out from the plasms and `Cl^(-)` ions enters into RBC
D. `HCO_(3)^(-)` ions move out from the plasma and `Cl^(-)` ions enters into plasma