The phrase helps to conclude the text and does not add to the writing. ... The phrase adds a specific detail about time that is relevant to the text's topic. The phrase helps to introduce the text's topic by providing a direct object.
<span> Danny wanted to become a lawyer so that he could advocate for the troubled teens.
Advocate refers to an act of supporting someone that is currently in trouble. In this case, danny will provide his support to the teens that are facing some difficulties regarding the law</span>
The answer is B I believe