If (A∪B)∩C=A∩C(A \cup B) \cap C = A \cap C(A∪B)∩C=A∩C for arbitrary sets A,B,CA, B, CA,B,C, which of the following statements must be true?
C⊆AC \subseteq AC⊆A
B∩C⊆AB \cap C \subseteq AB∩C⊆A
A⊆CA \subseteq CA⊆C
A∩B⊆CA \cap B \subseteq CA∩B⊆C