Answer:
(A)x ∈ B ⋃ C
(B)x ∈ B ∩ C
(C)x ∈ A ⋃ C
Explanation:
A diagram has been created and attached for more understanding.
If the overlap of circles B and C is labeled x.
Then:

If x is contained in the intersection of B and C, it means that:

Finally:

The correct options are A, B and C.