A moral dilemma is D, when a person's morals require taking two or more conflicting actions. It's in the name.
The answer is "stacks." That is the object of the phrase, and since a person is searching for something ON the shelf, they aren't searching for the shelf itself.
Your question is in the wrong section but:
The length that <span>will the actual car part be is 40 inches. Below is the solution:
</span>
8" = 8 x 5
= 40 inches
I believe "C" is the correct answer, because Connor's friend reminded Connor that the car's gas gauge is broken, meaning that the car would break down.