What Is the Function of a Lyase Enzyme

What is the function of a lyase enzyme?

A) to catalyze redox reactions
B) to catalyze the transfer of a functional group from one molecule to another
C) to catalyze hydrolysis reactions
D) to catalyze the addition of a group to a double bond or the removal of a group to form a double bond
E) to catalyze the formation or cleavage of a C-C,C-S,C-O,or C-N bond