Statement (s). In many gastropods, the anus and mantle cavity are placed anteriorly above the head.
Reason (R ). During embryonic development, in many gastropods one side of the visceral mass grows faster rotates the viscetal organs upto `180^(@)`

Options

A. Both S and R are true and R explains S
B. Both S and R are true but R cannot explain S
C. Only S is correct Ris wrong
D. Both S and R are wrong

Answer

A