An introduction of the Gleason family
Answer: Scrooge accuses the first ghost of being indigestion
Explanation: The speech is ironic because Scrooge accuses the ghost of being indigestion rather than admitting he is afraid of him. The ghost asks Scrooge why he doesn't believe in him.
Answer: No, his experiment is not designed correctly.
Explanation: He didn't use the same measurements in each experiment. He should've either buried them all in the yard, or she should've kept them all in pots. Not having them in the same environment could affect the results of his experiment, thus making it inaccurate.
It is option A. She gets really mad because nobody ever believes her.