Answer:
Choice A. The shading in the Venn Diagram shown in the first attachment represents the set
.
Explanation:
Let
,
, and
be sets. By the distributive law of sets,
and
refer to the same set.
Apply this property to simplify the given expression:

refers to the intersection between the two lower circles. The union of that intersection with set
(the upper circle) would be the shaded region seen in choice A.