You read a quote citing an episode from the TV series Star Trek: The Next Generation in which the ship's "Universal Translator" did not work with one group of beings encountered by the ship's crew because
A. They speak very indirectly in such a manner that everything said usually means the opposite of what is said.
B. They communicate largely through nonverbal signals.
C. While the translation produced was accurate, this group of beings simply did not want to communicate with the crew of the ship.
D. They speak in metaphor, so one must know their entire context -- history, myth, literature, etc. -- to understand even the most basic sentences.