Answer:
The boys were running when they fled the scene.
Explanation:
The reason that the two are different is in one of the scenarios, it is implied that the boys had done something to cause the scene. That is why they "fled". If the boys had not been worried, they would have just walked away, like in the second scenario.
The answer is C: I ran into the house and happily screamed, “I got an A on my History test!”
Take notice of: I, me, we.
W T H??????????????????????????????????????????/
The one without a comma. "I was very frightened while the stranger was knocking on my door.