I would go with exploratory.
They would explore into the subject and find some really interesting dynamics or creative point of views.
If you need more help, ask me.
<3
The answer is D. Connotation
Answer:
"It's a nasty trade," said Mr. Limbkins, when Gamfield had again stated his wish. "Young boys have been smothered in chimneys before now," said another gentleman.
Explanation: