I'll have to go with D, but ask yourself:
"Which environment best matches the scene?"
Answer:
THIS IS YOUR ANSWER :
<em>Science</em><em> </em><em>is a study of nature human</em><em> </em><em>beings plants animals chemicals and machines</em><em>. </em>
<em>✍️</em><em>HOPE</em><em> </em><em>IT HELPS YOU</em><em> </em><em>✍️</em>
I would say the answer is a