Which of the following words is closest in meaning to “Conscientious”?

Conscientious means careful and diligent; attentive.

• Correct answer - attentive: it has the same meaning as Conscientious.
• negligent: careless; failing to take proper care - wrong, it does not mean the same as Conscientious.
• vile: very unpleasant or wicked - wrong, it does not mean the same as Conscientious.
• profligate: wasteful and immoral - wrong, it does not mean the same as Conscientious.