Because it is human nature to show emotion, being human is being emotional.
This would be an example of a similie because it shows a comparison between the vacant windows and an eye shape.
Explanation:
The sentence should be "The cake smells sweet." or "The cake is smelling sweet." The sentence is missing punctuation and capitalizing the beginning letter in the sentence. I would also prefer the first sentence as it has more consistency.
B. Novels have simple straightforward themes (and few of them).