Which of the Following Arguments Is an Analogy

Which of the following arguments is an analogy?

A) Because peanuts are like nuts, and nuts are high in protein, peanuts must be high in protein.
B) A dolphin is a type of whale, and all whales are mammals.So a dolphin is a mammal.
C) War leads to bloodshed, and bloodshed leads to human misery.Therefore war leads to human misery.
D) Because maggots can be used to clean wounds, maggots are medically useful.
E) Considering that two of my friends have betrayed me, no one can be trusted.