- "All sweet items are fluids" means that every sweet item is also a fluid.
- "Certain fluids are colored" means that some, but not necessarily all, fluids are colored.
- Therefore:
- Some sweet items are colored (B)
- Some sweet items are fluids (C)
- Some fluids are sweet items (D)
\(\Rightarrow\) \boxed{\text{B, C and D only}}