Answer: The correct answer is "Self Regulation".
Explanation: Self regulation is the ability to control one's behavior, emotions and thoughts in order to pursue long term goals.
For example, if I want to be a psychologist and i want to graduate with good grades, then i have to organize myself and keep track of my homework assignments on my own. I have to be disciplined enough to regulate myself in order to my final goal which is to become a psychologist.
In this particular case, Lucia's behavior shows that she is able to regulate herself.
In conclusion, the ability that Lucia demonstrates through here actions is "Self Regulation".