The latin word, populus.
Which means people gives us the root popul.
Words from Latin populus have something to do with people, so thats why it means population, which means how many people in a area, or region.
Answer:
I think B.
Explanation:I think B because my english teacher said so the reader can breathe and take a break.
D. He acts like he's going to cry. Even though it might seem correct, but gramatically it's totally wrong. There should be other <span>subordinating conjunction</span> such as "as" indeed. Hope it will help.