The correct option is C Marchantia
Thalloid body
Thalloid body is a kind of body form found in plants which cannot be differentiated into root, stem etc. Out of all the plants. algae and some bryophytes have thalloid bodies. Examples include Chlorella.
Marchantia
Marchantia is a liverwort bryophyte. Liverworts are bryophytes which have a thallus-like body. without a proper differentiation into stems. leaves and roots.
Final answer
(c) Marchantia