They didnot understand their situation in life,
If the sentence in question is a statement (ends with a period), I would probably "however" as your transition word.
Answer:
lol, thank you for the points
Answer:
I think it's C.
Explanation:
You didn't include a passage or anything but it takes time to make mirrors and it's a very complex process that also includes lots of liquids.
I think the second choice is most important