Which one of the following phyla is correctly matched with its two general characterstics?

Options

A. Echinodermata-Pentameous radial symmetry and mostly internal fertilization.
B. Mollusca-normally oviparous and development through a trochophore or veliger larva.
C. Arthropoda-body divided into head, thorax and abdomen and respiration by tracheae.
D. Chordata-notochord at some stage and separate anal and urinary openings to the outside.