It depends on the information or research you have. My best advice is either one of the two options is either a two or three bodyparagraph but it depends on how much information for example your reasons why ... and why ... but I think I’ll pick
Three body paragraphs
Answer:
D. It shows that Sari thought the test was easy.
Explanation:
Idioms are expressions with a meaning that isn't deducible from those of the individual words they contain. That is why these phrases should not be taken seriously.
In the given passage, we have an idiom<em> </em><em>a piece of cake. </em>When someone says that something was a piece of cake, they actually mean that something was easy, simple to accomplish. As the test turned out to be easy, Sari was positive that she did well.
Its a technology that allows to move virtual objects with bare hands. But it is more than just the movements. It is virtual interaction and processes related to such activities.