In Regard to DynamoDB, When You Create a Table with a Hash-And-Range

In regard to DynamoDB, when you create a table with a hash-and-range key.

A) You must define one or more Local secondary indexes on that table
B) You must define one or more Global secondary indexes on that table
C) You can optionally define one or more secondary indexes on that table
D) You must define one or more secondary indexes on that table