Answer:
C. the grass
Step-by-step explanation:
Green plants, generally,manufacture their own food by making use of the energy gotten from the sun. They are referred to as autotrophs, simply because they can manufacture their own food by theirselves.
The energy processed into food by plants is what provides energy that is made available to all other organisms on the food web in limited amounts.
Therefore, the grass converts makes its own food by converting energy from the sun.