Answer:
The boy sat. That could be a subject. The predicate is the half-sentence you have right now. So, it could be The boy sat in the window seat on the plane.
Explanation:
A subject contains the noun. A predicate contains what the noun does.
In order to be able to answer this, we'd need to know what book it is you're reading, as well as the answer choices as the question asks "which of the following best" meaning that they want you to choose the best answer from the choices they’re giving you.
If it already has the souce before it like for example it says " According to blank "Evidence" You still have to put the parentheses even though it is still there.
A very very very sad boy writes a poem about his depression and the people who bullied him all the time