A is correct.
https://docs.snowflake.com/en/sql-reference/sql/copy-into-table
To force the COPY command to load all files regardless of whether the load status is known, use the FORCE option instead.
Workarounds
To load files whose metadata has expired, set the LOAD_UNCERTAIN_FILES copy option to true. The copy option references load metadata, if available, to avoid data duplication, but also attempts to load files with expired load metadata.
Alternatively, set the FORCE option to load all files, ignoring load metadata if it exists. Note that this option reloads files, potentially duplicating data in a table.
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