Final answer:
The sentence that contains a simile is: The pillows were as soft as cotton balls.
Step-by-step explanation:
The sentence that contains a simile is: The pillows were as soft as cotton balls. A simile is a figure of speech that compares two different things using the words 'like' or 'as'. In this sentence, the pillows are being compared to cotton balls using the word 'as'. The comparison is made to emphasize the softness of the pillows.
Learn more about similes