The correct option is D a-i, b-iii, c-v, d-iv, e-ii
Water vascular system is a characteristic feature of the phylum Echinodermata. The water vascular system is a complex hydraulic system used for locomotion, respiration, and channeling food and waste products.
Muscular pharynx of Aschelminthes and Annelids is used to ingest food.
Organs and tissues in the body of such organisms are found to be repeated after regular intervals (segments) and each segment is known as a metameres or somite. This is seen mainly in annelids.
A jointed appendage can be defined as the growth from the body of organism having joints in it. Jointed appendages is common characteristic of arthropoda.
Porifera consists of water circulatory system called canal system. It helps in food acquisition, respiratory gas exchange and in excretion.
So, the correct answer is option-c.