Jerry felt horrible because he betrayed his best friend. He thought he should feel fine and noble when you did something good. Roger understood in the end
Answer: B.
Explanation:
A comma is necessary when both sentences are independent clauses.
Both of the sentences stated above are independent clauses.
The first choice lacks a comma, while the third choice lacks a conjunction, which is used to add addtional information.
Here are some:
eXcellent
eXciting
eXemplary
eXpert
eXtraordinary
eXtreme
Assuming this is latin, the translation is “it has been seen”