Answer:
B) On a tombstone
Explanation:
I have not read this book since seventh grade, but I remember Scrooge's name being on a tombstone.
How hard it was to get a job.
Racism
Segregation
C is the choice I would make because I believe the writer is planning to answer this question: "and how come we think dogs are so smart". The writer never tells us what dogs can't do (a) or mention others being dumb (b) and doesn't make fun of humans (d)