Which of the Following Statements About Ctenophore Movement Is True

Which of the following statements about ctenophore movement is true?

A) Independent muscle contractions in individual segments propel ctenophores through the water.
B) The ciliated trochophore stage allows for dispersal.
C) Beating cilia along comblike plates propel ctenophores through the water.
D) Compressions of the hydrostatic skeleton allow ctenophores to slowly glide through the water.
E) The peritoneum is directed by the central nervous system, to provide pulsating contractions that propel the ctenophore.