Given below is diagram of stomatal apperatus. Which option identifies labelling a, b, c, d correctly

Options

A. `{:(,a,b,c,d),((A),"Subsidiary cell","Epidermal cell","Guard cell"," Stomatal aperture"):}`
B. `{:(,a,b,c,d),((A),"Guard cell","Stomatal aperture","Subsidiary cell"," Epidermal cell" ):}`
C. `{:(,a,b,c,d),((A),"Epidermal cell","Guard cell","Stomatal aperture "," Subsidiary cell" ):}`
D. `{:(,a,b,c,d),((A),"Epidermal cell","Subsidiary cell","Stomatal aperture "," Guard cell" ):}`

Answer

D