Let R(A,B,C,D,E,P,G) be a relational schema in which the following FDs are known to hold:AB->CDDE->PC->EP->CB->GThe relation schema R is

• A. in BCNF
• B. in 3NF, but not in BCNF
• C. in 2NF, but not in 3NF
• D. not in 2NF