Non-cyclic photophosphorylation 

Identify the labels $\mathrm{A},\mathrm{B},\mathrm{C} \mathrm{and} \mathrm{D}$ in the given diagram and select the correct option.

''Formation of malic acid occurs in $\underline{\mathrm{A}}$ of leaves and $\underline{\mathrm{B}}$ carboxylation occurs in bundle sheath cells pf plants having Kranz anatomy''

Select the option that correctly fills the blanks $\mathrm{A} \mathrm{and} \mathrm{B}$.

Statement A: Photorespiration does not produce $\mathrm{ATP} \mathrm{or} \mathrm{NADPH}$ and is a wasteful process.

Statement B: Decarboxylation is the primary step of Calvin cycle.