Sound reasoning is essentially a valid argument/claim with evidence to back it up. The argument needs to be written based on true premises and logical fallacies shouldn't be present. A sound argument typically requires an explanation to back up a clear message. A mix of ethos, pathos, and logos are present in a sound argument.
A, as this is where the story turns from bad to good.
Or D, as this is where the story turns from good to bad.
Most likely, the answer is A.
Answer: The geography section of Margie's mechanical teacher was geared to a higher level than hers. The County Inspector slowed the geography section of Margie's mechanical teacher to that of an average twelve year old's. He further assured her mother that the learning progress was quite satisfactory.
hope it helped.
