The appositive is usually a group of words related to a noun, usually a subject, and describes it in more detail.
The appositive here is a river that flows through Egypt.
Another way of easily spotting an appositive is by looking for commas - if it is separated from the rest of the sentence by commas, it is likely to be an appositive.
That would be a complete thought
Since we're looking for the opposite of helping a reluctant child, let's look for the negative answer.
A.) Has a sweet touch as a solution, not what we want.
B.) Is also kind and caring, as you're offering if he'd like to go somewhere.
C.) Is completely rude, and does not help assist the situation.
C.) is your answer
I hope this helps!