Read the following statements and identify the correct ones with respect to classification of living organisms given by R.H. Whittaker.
(a) Kingdom Animalia is characterised by having only heterotrophic eukaryotic organisms.
(b) Members of Kingdom Animalia are mostly unicellular.
(c) Members of Kingdom Animalia digest their food in an internal cavity.

• A

  a and b only

• B

  b and c only

• C

  a and c only

• D

  a, b and c