Question

Path of water in a sponge is [CPMT 1984]
A) Dermal ostia \to
Gastral ostia \to
Osculum
B) Dermal ostia\to
Gastral ostia\to
Spongocoel\to
Osculum
C) Osculum \to
Spongocoel \to
Choanocytes \to
Ostia
D) Pinacocytes \to
Choanocytes \to
Enteron \to
Osculum

Answer 1

D option is correct but i'm not sure