I think in my opinion Yes
I think that the best answer for this is A. Because he knew that the coldest snaps never froze these springs, and he knew likewise their danger. So in the end he knew they were traps. I hope this helps ;) you are welcome.
Answer:
Independent
Explanation:
The way to solve this is to try to split up the sentence if different ways and see if part of it still makes sense.
If it does make sense then it's dependent, if not then it's independent.
Ex. of Independent: I am thirsty.
Ex. of Dependent: I am thirsty after I do exercise.
i believe it would be the last one
hope this helps