Identify the labelled parts of following diagram

Options

A. `{:(X,Y,Z),("Dark reaction","Light reaction " ,"Cytoplasmic inheritance"):}`
B. `{:(X,Y,Z),("Light reaction","Carbohydrate synthesis " ,"Carbohydrate storage"):}`
C. `{:(X,Y,Z),("Light reaction","Carbohydrate synthesis " ,"Carbohydrate storage"):}`
D. `{:(X,Y,Z),(" Carbohydrate synthesis " ,"Carbohydrate storage", "Cytoplasmic inheritance"):}`

Answer

B