Which of the following is correct_______________?

• A. Non-keratinized epithelium is characterized by absence of stratum granulosum and stratum corneum, The surface cells are nucleated
• B. Parakeratinished epithelium is characterized by superficial cells with pyknotic nuclei and absence of stratum granulosum
• C. In ortho keratinisation the superficial cells lose their nuclei, but stratum granulosum is present
• D. All of the above