What commandment did the pigs break? how did they cover it up?

The answer is the pigs did not follow the fourth commandment, the fourth commandment is “No animal shall sleep in a bed". They transformed it by adding the words "with sheets" causing in a modification of meaning, to "No animal shall sleep in a bed with sheets".

i would say your answer is a)

sorry if im wrong

i think the answer is d. good luck.