Selfishness means for you have too much interest into yourself.
The answer to your question is B
Answer:
The other animals realize that Napoleon can be trusted.
Squealer uses political propaganda to justify Napoleon's power. Napoleon will become more powerful after Squaler's words. Their aim is to convince the other animals that Snowball is not a loyal animal but that Napoleon is really loyal. Then, Napoleon will become extremely corrupt and authoritarian and new crises will happen.
The statement "life is a tale/ told by an idiot, full of sound and fury, / signifying nothing" from scene 5, lines 26 to 28 explains the approach of the character to life. He is doubting how his life turned out. He says that <em>life is a tale</em> which tells us it is not true, and <em>signifies nothing</em> means that he doesn't want his life at that moment.