Let $$L_1$$ be regular language, $$L_2$$ be a deterministic context free language and $$L_3$$ a recursively enumerable language, but not recursive. Which one of the following statements is false?

A

$$L_3 \cap L_1$$ is recursive

B

$$L_1 \cap L_2 \cap L_3$$ is recursive enumerable

C

$$L_1 \cup L_2$$ is context free

D

$$L_1 \cap L_2$$ is context free