Answer:
The action verb or linking verb is feel
Yes, in Chapter 1 the rose bush represents that even though the prison is a cold and dark place, beauty can still be found. In Chapter 7, the rose bush is the only beautiful thing in the garden, which alludes to the same message as that in chapter 1.
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