Best Conveys a Child's Thinking What of the Following Sayings

best conveys a child's thinking What of the following sayings best conveys a child's thinking before the notion of object permanence is acquired?

A) "A bird in the hand is worth two in the bush."
B) "A penny saved is a penny earned."
C) "A stitch in time saves nine."
D) "Out of sight, out of mind."