Memoirs are written in order for the author of it to: Reflect back on a time in his or her life. It is like a story that is a complete flashback of events. Hope that helps.
B. I gazed at the bright blue sky and the trees filled with lush green foliage.
Sensory details are descriptions that apply to the five sense (sight, sound, touch, taste, smell). In Option B, the sense that is appealed to is the sense of sight. The sky is described as a bright blue and the trees are described as being lush, full of thick leaves. These details help to put a picture in the reader's mind. The other options sometimes give detailed information but they are about the characters inner thoughts. These are not sensory details.
The Crystal Palace is the answer
1. over - chapter
2. polished - wax
From what I'm thinking, what the directions state, and from what I know of, one of the possible, most likely answers is:
I was just getting ready to ride over to a friend's house, but I had to help my sister with some chores.