Given two different character sets (A and B), which of the following must be true for A to be
considered a strict superset of B? (Choose all that apply.)
A.
 A must contain all of the characters defined in B.
B.
 A must be Unicode.
C.
 The encoded values in A must match the encoded values in B for all characters defined in
B.
 A must be Unicode.
D.
 A must be a multi-byte character set.
E.
 The encoded values in A must match the encoded values in B for all numeric and 
alphabetic characters in B.