The correct option is
A SepiaSepia belongs to the group of Cephalopoda. There is the presence of a sac-like gland in cephalopods which is known as ink sac. This is also known as ink gland which is located between the gills of the organisms. The gland releases ink like compound which contains a dark pigment. When this compound is released into water, it helps the organism to move away from the predators. This is usually an escape mechanism.Thus, the correct answer is option B.