Which view shows all valid values for the NLS_LANGUAGE, NLS_SORT, NLS_TERRITORY, and NLS_CHARACTERSET parameters?()
A、A. V$VALID_NLS_VALUES
B、B. NLS_VALID_VALUES
C、C. NLS_VALUE_OPTIONS
D、D. V$NLS_VALUE_OPTIONS
E、E. V$NLS_VALID_VALUES