You want to reduce fragmentation and reclaim unused space for the SALES table but not its dependent objects. During this operation, you want to ensure the following: - Long-running queries are not affected. - No extra space is used. - Data manipulation language (DML) operations on the table succeed at all times throughout the process. - Unused space is reclaimed both above and below the high water mark. Which ALTER TABLE option would you recommend? 

Answer options:

A. DEALLOCATE UNUSED
B. SHRINK SPACE CASCADE
C. SHRINK SPACE COMPACT
D. ROW STORE COMPRESS BASIC

C

References: https://docs.oracle.com/cd/B28359_01/server.111/b28310/schema003.htm