Ok, so “is” is the linking verb and I’m pretty sure the predicate is... effective? I’m not sure tbh! But I really do think it is that. I’m sorry if it is incorrect. My apologies.
I read this book last year so take this with a grain of salt.
Gene jumps from the tree to compete with Finny due to the fact that Gene is always trying to do better than Finny. He is put under the grasp of peer pressure due to Finny almost forcing him to do this. Ever since he first jumped Finny kept pressuring him to jump since he thought Gene enjoyed jumping.
Rather than uses this answer you should probably just reread chapters 3-4
The correct answer among the choices provided is the second option. The rules of syntax have been broken in the given sentence. The correct sentence should be "For the first time in my life, the image of my mother made me believe that I could change the way things were." Syntax sets the standard of rules in a language especially word order.