Which kind of cells are represented by letter P and Q in the given figure showing `C_(4)` pathway?

Options

A. `{:(P,Q),("Palisade parenchyma","Spongy parenchyma"):}`
B. `{:(P,Q),("Spongy parenchyma","Palisade parenchyma"):}`
C. `{:(P,Q),("Mesophyll cell","Bundle sheath cell"):}`
D. `{:(P,Q),("Bundle sheath cell","Mesophyll cell"):}`

Answer

C