Which isn't an option for setting a security predicate for a dataset created from an external data file?

Which isn’t an option for setting a security predicate for a dataset created from an external data file?

Which isn’t an option for setting a security predicate for a dataset created from an external data file?
A . In the metadata file associated with the external data fileusing the rowLevelSecurityFilter key
B . In the Register transformation node of a dataflow that uses this dataset
C . In the dataset Security Predicate
D . On each row prior to upload

Answer: D