Addressing a counterclaim means acknowledging the opposing argument and then refuting it. The other three examples provide evidence to the writers own argument but only C acknowledges and refutes the counterclaim.
Explanation: Someone who is stubborn and bitter refuses to budge in their opinions, once they've decided something they won't be taking criticism or changing their mind. They probably give off an unapproachable vibe
Foreshadowing is an advance sign or warning of what is to come in the future. It often gives a small hint as to a large plot twist or change that will happen. Hope this helps!