Answer:
He was pleased he had worked extra hard.
He was surprised he didn't think anyone noticed.
Explanation:
Your muscles are stiff but stretching warms them up so you don’t get hurt.
I think it would be the first one, although I am not positive.
The subordinate clause here is A, "as the layers of ash slowly compressed". Subordinate means that it cannot exist on its own, it has to be a part of the main, independent clause.
The correct answer is A. :)
