Answer:
John said that he could care less if he didn't get the job
is incorrect
Explanation:
Calling it a day is an idiom because you're not actually calling the day
Through thick and thin is describing difficulty of situations, but the situation itself isn't physically thick or thin
First person
Since the paragraph is told using the word "I", it is clear that it is first person perspective. This point of view offers deep insight into the feelings of the main character, though sometimes it can skew the actual events that take place because of personal bias or misremembering/misunderstanding.
It is b as it says the best monents of his pleasant life
Slimy.
Think of things that are slimy. They are all thought of to be gross.