It Is Known That Enzymes Vary Considerably in Their Geometric

It is known that enzymes vary considerably in their geometric specificity because:

A) All enzymes bind only one compound as substrate.
B) All enzymes can bind any type of substrate.
C) Only a few enzymes can bind only one compound as substrate.
D) Some enzymes bind only one compound as substrate but others recognize a range of compounds with similar chemical groups.
E) The enzymes will recognize only one type of geometrical shape in the substrate.