Answer:
The options B, C, D and E are correct
B. More of organisms in the phylum platyhelminthes are parasitic in nature.
C. Platyhelminthes are acoelomates and therefore lacks coelom.
D. Phylum Platyhelminthes organisms are multicellular, asymmetrical, lack a digestive tract and are advanced diploblastic.
E. Most Platyhelminthes are hermaphrodites possessing the male and female sex organs.
Option A is wrong because:
A. Leeches are in the Phylum Annelida and are segmented in nature.
They are advanced
As a result of this characteristic, they are able to reproduce asexually and sexually