Write a Description of the Shaded Region Using the Symbols $\cup$

Multiple Choice

Write a description of the shaded region using the symbols A, B, C, $\cup$ , $\cap$ , -, and ' as needed.
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A) $A \cap B ^ { \prime }$
B) $B - A ^ { \prime }$
C) $\mathrm { B } \cap \mathrm { A } ^ { \prime }$
D) $A - B$