Answer: Perfectionism
Explanation: Perfectionists are driven to produce perfect work. Therefore, they often excel in school or professional environments. However, it can also be detrimental, as they spend extreme amounts of time trying to better their work. This can take time away from their person life or other work that they must do.
The most likely answer would be C if the topic is toddlers.
HOWEVER if their is no information to support that it is about toddlers in your marital then it is most likely D.