Marisa is showing the quality of self-control.
In the given sentences, it is mentioned that Marisa's face was impassive and her voice was calm while reading the awful telegram. These characteristics indicate that Marisa is able to control her emotions and maintain a composed demeanor in a challenging or difficult situation.
Self-control refers to the ability to regulate one's emotions, thoughts, and behaviors. It involves managing impulses and reactions in a calm and composed manner. In this case, Marisa's ability to remain impassive and speak calmly despite receiving bad news demonstrates her self-control.
Therefore, the correct answer is 1. self-control.