Answer: The word you are looking for is "resistance"
Explanation: Someone who resists is someone who fight back, if you are apart of the resistance you are part of a group that is trying to prevent something by action
hope this helps
Answer:
A, I think
Explanation:
The others seem grammatically correct and seem to roll off the tongue except A.
Sorry if I'm no help :(
B, because snarling is not associated with something loving/nice but it also doesn't indicate something challenging. It's simply an image of something angry/evil