Which of the Following Statements Describes the Structural Adaptations of Leaves

Which of the following statements describes the structural adaptations of leaves in succulent plants, and the type of habitat are they adapted to?

A) Large parenchyma cells with a central vacuole that contains dissolved substances and water. This is an adaptation to a dry or arid environment.
B) Large parenchyma cells with a central vacuole that contains dissolved substances and water. This is an adaptation to a cold, sub-alpine environment.
C) Hard, needle-like leaves with thick cuticle and sunken stomata. This is an adaptation to a boreal environment.
D) Large, wide, thin leaves with low palisade mesophyll content. This is an adaptation to a cool, shaded environment.
E) Hard, wide, thick leaves with an extensive epidermis and low chlorophyll count. This is an adaptation to a sclerophyllous environment.