How does Magento store scheduled values for varchar attributes?

You are debugging an issue where the staged product custom attribute value is not displayed properly. The attribute backend type is varchar.

How does Magento store scheduled values for varchar attributes?
A . By creating a new record in the cataiog_product_entity table with the same entity_id and different rowjd and it creates a new record in the catalog_product_entity_varchar table connected to the new row-id
B. By creating a new record in the table cataiog_product_entity_varchar with a new row_id connected to the same entity_id
C. By creating a new table cataiog_product_entity_varchar_<version> where the scheduled attribute value is located
D. By creating a new website called staging_<version and saving the new attribute value for that website in the catalog_produt_entity_varchar table with the same entity_id

Answer: A