Aschelminthes includes

a. free-living animals

b. parasites in plants

c. parasites in animals

d. free-living and aquatic forms

e. free-living and terrestrial forms

• A

  (b), (c) and (d) only

• B

  (a), (b) and (c) only

• C

  (a), (b), (c) and (d) only

• D

  (a), (b), (c), (d) and (d)