What does the word "blunder" mean in this passage

A．an animal used in perfume for its smell
B．a piece of fabric used both in perfume and at funerals
C．a flower used in perfume for its fragrance and used for funerals
D．an ornament used in perfume and at funerals

A．fire the translators who don't know the target language
B．use the technique called "literal translation" to reduce the possibility of blunders
C．avoid cultural oversights and avoid certain jokes
D．explain in details when designing advertisement for other countries