The answer is D. Cuteness.
Looks, beauty, and character are all subjective terms that can be interpreted differently by different people. Cuteness, on the other hand, is a more objective term that is generally defined as being attractive or appealing in a way that is associated with youth or innocence.
Looks are the physical appearance of a person, which can include their facial features, body shape, and skin complexion. Beauty is a more general term that can refer to both physical attractiveness and inner qualities such as kindness, intelligence, and compassion. Character is a person’s moral or ethical nature, which can be influenced by their upbringing, experiences, and values.
While all three of these terms can be used to describe a person, cuteness is the only one that is specifically associated with youth or innocence. This is why it is the odd one out in the list.