Five-Year-Old Jawan Is at the Sand Table

Five-year-old Jawan is at the sand table. He tells you, "I can make rain with the holey cone." The best example of a behavior reflection would be which of the following?

A) "Sounds like you love sand toys."
B) "You think that's a holey cone. That's called a funnel."
C) "Be careful your rain doesn't get on the floor."
D) "You're pouring sand through that funnel."
E) "You noticed the falling sand looks like rain."