Identify the reason the instance failed to start.

To implement Automatic Management (AMM), you set the following parameters: When you
try to start the database instance with these parameter settings, you receive the following
error message: due to existing internal settings, see alert log for more information. Identify
the reason the instance failed to start.

A.
The STATISTICS_LEVEL parameter is set to BASIC.

B.
Both the SGA_TARGET and MEMORY_TARGET parameters are set.

C.
The SGA_MAX_SIZE and SGA_TARGET parameter values are not equal.

D.
The PGA_AGGREGATE_TARGET parameter is set to zero.