The basic feature of typical C4 plants showing ‘Kranz’ anatomy is

• A. the presence of chloroplasts in mesophyll and epidermal cells
• B. the presence of chloroplasts in bundle sheath cells
• C. the presence of rudimentary chloroplasts in bundle sheath cells and typical chloroplasts with well-formed grana in mesophyll cells
• D. the presence of typical chloroplasts with well-formed grana in bundle sheath cells and rudimentary chloroplasts in the mesophyll cells