Clark feels like she is a stranger at first, but soon realizes how grateful he is to have her.
B) Greatful
The correct answer is option D: challenging assumptions.
Jennifer clearly shows the technique of challenging assumptions, as she tries to challenge her interlocutor. She wants to make him think new ideas based on new perspectives that could be obtained from the use of this technique.
The aim of this discussion technique is to create new thinking habits. Thus, it can help to create new solutions on a given topic.
