Which query will use the Index Server to locate content files containing the word "product"?
A. select r_object_id from dm_document search document contains ‘product’
B. select r_object_id from dm_document where object_name like ‘%product%’ enable(FTDQL)
C. select r_object_id, object_name from dm_document where any keywords like ‘%product%’
D. select PRODUCT_ID from dmr_content search document contains ‘product’