The meaning of the idiom "piece of cake" as used in the sentence is "very easy," as expressed in option 4 and further explained below.
<h3>What is the meaning of "piece of cake"?</h3>
The idiom "piece of cake" is used when we wish to talk about something being very easy to accomplish. Examples of the use of the idiom are:
- If you truly have studied, then the exam will be a piece of cake for you.
- Convincing my parents was not a piece of cake. They wanted to know every detail.
In the sentence provided in the question, the idiom is used to show that Rachel thought carrying a few boxes up the stairs would be very easy. After all, she had been lifting heavy weights for months.
With the information above in mind, we can conclude that the correct answer is "very easy."
Learn more about idioms here:
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