i believe the answer would be b. if not sorry for the wrong answer.
The actions that the character, or what may happen to the environment and how it is affected can help the theme. What is most important is dialogue and plot, those can help your understanding of theme also.
<span>He gives an example of two phrases that lost popularity with writers.
By giving two examples, he is showing two specific points where language has been "cured". Two phrases were essentially mocked out of use because journalists decided that they didn't like them and didn't want to see them keep appearing. </span>
Ambition can play a big role for motivation. Both positive and negative traits arise from it. The management of the one who carries the ambition has the potential to execute it in the harshest, and inefficient of ways. Their goals can be patient, or they can grow restless for achievement. Their ambition can be one that's toxic, or one of great opportunities. Whether or not influenced by power or vengefulness, their mindfulness will go on to affect their surroundings in the paths they choose to take.