There Is Nothing Inherently Meaning "Stop" in a Piece of Hexagonal

Multiple Choice

There is nothing inherently meaning "stop" in a piece of hexagonal red sheet metal, just as English speakers may have decided d-o-g signifies a canine, but Spanish speakers prefer p-e-r-r-o. These facts demonstrate that the meanings we assign to signs and symbols are __________.

A) confusing
B) personal
C) hierarchical
D) language-based
E) arbitrary