The correct option is B Kalanchoe
CAM plants are those which photosynthesize through Crassulacean Acid Metabolism or CAM photosynthesis. They are expectedly succulent plants. These plants are adapted to dry, desert habitats. Specific examples of CAM plants are the jade plant (Crassula argentea), Aeonium, Echeveria, Kalanchoe, and Sedum of the family Crassulaceae, pineapple (Ananas comosus), Spanish moss (Tillandsia usneoides), cacti, orchids, Agave, and wax plant (Hoya carnosa, family Apocynaceae).