Respuesta :
Answer:
A. reversal, because the commandment has changed in meaning.
Explanation:
Reversal refers to the author presenting information that is the opposite of the normal order. In this passage, what is written on the wall is the opposite of what is to be expected. The commandments that were written by the pigs originally showed the values and goals of all animals. However, these have changed over time in order to fulfill their political goals. The commandments now are the opposite of what they should be.