Your database is configured in shared server mode. However， your senior DBA asks you to modifythe value of the PRIVATE_SGA limit in the profile of the users. What could be the reason for this（）
- Ato limit the User Global Area （UGA） memory allocated to a session from the SGA
- Bto limit the amount of memory to be used for the dispatcher queue of a session in SGA
- Cto limit the amount of memory to be used for the request pool in System Global Area （SGA）
- Dto control the amount of memory allocated in SGA for the local variables for each shared server proce