All would seem appropriate, but I'd say D, since it assists you in gathering data to support your clause
Answer:
When talking about recycling, people don't seem to consider the recycling of clothing.
The answer is undeveloped, the definitions show that it is primitive or rough, which would be the opposite of polished, skilled, or mature.
Communication skills or giving and receiving info in your personal life
The prefix in the word inadmissible is -in.
I hope this helps you. ☺
