We Use the Scientific Method Every Day

We use the scientific method every day. Imagine that your car doesnʹt start one morning before school. Which of these is a reasonable hypothesis regarding the problem?

A) Iʹm going to be late.
B) I should add a quart of oil.
C) If I put gas in my car, it will start.
D) I should check whether the lights were left on and drained the battery.
E) I should change the battery or the starter.