Which sentence explains why commas are used with nonrestrictive elements?
A.Commas split clauses or nonrestrictive elements into smaller, easier-to-read parts.
B.Commas come at the beginning of clauses and nonrestrictive elements.
C.Commas add more information to clauses and nonrestrictive elements.
D.Commas set off clauses and nonrestrictive elements from the rest of the sentence.
