Which of the Following Statements Is TRUE of Sponges

Which of the following statements is TRUE of sponges?

A) Sponges have nerve cells that enable them to sense their environment.
B) Like cnidarians, many sponges produce toxin-generating nematocysts. These cells typically line the pores of sponges.
C) The choanocytes of sponges and choanoflagellates share no morphological similarities.
D) Like comb-jellies, sponges possess both a mouth and an anal pore; however, the anal pore is distinctly smaller than the mouth.
E) None of the answer options is correct.