Which two types of metadata can be retrieved by using the various procedures in the DBMS_METADATA PL/SQL package?

Which two types of metadata can be retrieved by using the various procedures in the DBMS_METADATA PL/SQL package? (Choose two.)

A.
report of invalidated objects in a schema

B.
report of statistics of an object in the database

C.
DDL for all object grants on a table in the database

D.
data definition language (DDL) for all objects in a schema