The correct answer must be C - what you did when you realized you broke it. This is the case because you're looking for /evidence/, so clearly D and A are not the answer. B seems plausible, but the narrative is about /how/ you broke your arm, so B is ultimately not the best answer.
Hope this helps.
Answer:
No, it's not an adverbial phrase
Mark as brainliest, please! :)
It would be A or c because if u read carefully u can see what it says and if u look back then u can see
