Question

after what he called \phenomenal diligence\, he admitted to being surprised at the extent of the clubs financial turmoil. source: bbc in this sentence, diligence means: lack of experience and the knowledge derived from experience consciousness in paying proper attention to a task feeling of being unlucky vain feeling of being unimportant

Explanation:

The word "diligence" generally means careful and persistent work or effort, which aligns with being conscientious in paying proper attention to a task.

Answer:

B. conscientiousness in paying proper attention to a task