Which Statement About Model Systems Is False?

Which statement about model systems is false?

A) The results of a study of a model system might be extended to humans.
B) Much of what we know about the genes that control animal development has come from work on Arabidopsis thaliana.
C) Basic understanding of chemical reactions in cells came from research on bacteria.
D) The biochemistry of photosynthesis was worked out from experiments on Chlorella.
E) Knowledge of how animals develop has come from work on sea urchins.