The EMPLOYEES table is stored in the SAMPLE tablespace. The corresponding IPK_EMP index for the EMPLOYEES table’s primary key is stored in the INDX tablespace. Out of 12 partitions， only partition P1 of the SALES table is stored in the SAMPLE tablespace. Which object will be exported by this command？（） exp system/manager tablespaces=SAMPLE

A. Only the EMPLOYEES table.
B. Only the EMPLOYEES table and its corresponding primary key index.
C. The EMPLOYEES table and partition P1.
D. The EMPLOYEES table， IPK_EMP index， and the SALES table.