[单选题]You want to import schema objects of the HR user u

AAdd the user， SYSTEM， to the schemas option.

BAdd the network_link = devdb.us.oracle.com option.

CChange the dumpfile option to schema.dat@devdb.us.oracle.com.

DReplace the schemas option with the network_link = devdb.us.oracle.com

EReplace the dumpfile option with the network_link = devdb.us.oracle.com