Which among the following is incorrect about epidermal tissue system?

• A. Epidermal tissue system provides protection and stops too much loss of water and comprises of epidermis, stomata and epidermal appendages
• B. Single continuous layer of compactly arranged parenchymatous cells that provides complete protection are present in epidermis
• C. Cuticle provides water proof nature for leaves and stems and stomata regulates exchange of air and water
• D. Stomata are surrounded by a pair of kidney-shaped cells called guard cells and the inner walls of stomata are comparatively thinner than that of outer walls