<h2>A. Call the parent so that you can insert positive comments as well as the negative event.</h2>
Explanation:
Option A is the best action you should take to inform a negative event. This type of circumstances need to be informed personal, because emotions are involved. So, waiting a long time period to inform about it, or doing through a non-direct channel means that you don't give the importance that this event needs. Also, that wrong actions will make parents think that it's not important to you.
Aside from physical injury and damage, the most significant effect of the atomic bombs was the sheer terror which it struck into the peoples of the bombed cities.
