which two server metrics can you define thresholds for your services?

For which two server metrics can you define thresholds for your services? (Choose two.)

A.
CPU_TIME_PER_CALL

B.
ELAPSED_TIME_PER_CALL

C.
LOGICAL_READ_PER_CALL

D.
APPLICATION_WAIT_TIME

E.
PHYSICAL_READ_PER_CALL

F.
SQL_EXECUTE_ELAPSED_TIME