Suppose you wanted to create an AutoCorrect entry that would type the words 'We regret to inform you that your submission has been declined' Of the following choices, which would be the best name you could assign to this entry?

Answer: Option B

Subdual is not commonly word whereas other options are used frequently used word.
So in given option less common word is subdual and when we assign it to auto correct option when ever we type subdual word will auto bring entire sentence 'We regret to inform you that your submission has been declined'.