Which sentence contains the best example of using technical vocabulary?

AI couldn't help myself because I love cheeseburgers.
BMy parents warned me that love could cloud my judgment.
CThe score in the tennis game was forty-love.
DThere was no love lost between the two enemies.

Verified Answer :

The sentence which contains the best example of using technical vocabulary is C) The score in the tennis game was forty-love. 
Love , meaning zero, is only used in tennis.