Fungi differ from other heterotrophic organisms in which way?

A)They make their own food if they cannot obtain sufficient food by ingestion.
B)They ingest only microscopic organisms.
C)They secrete enzymes on the outside of a food source, and then absorb nutrients from both living and non-living cells.
D)They have only a few very specific yet weak enzymes for digestion.
E)Their enzymes can break down only simple molecules.