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

Options

A. echinodermata-pentamerous 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.

Answer

c