A sense of concern for others and a desire for their wellbeing isA. AffectionB. CompassionC. EmpathyD. Sympathy

To answer the question, we need to understand the meanings of the given options: Affection, Compassion, Empathy, and Sympathy.

1. Affection refers to a warm and tender feeling towards someone or something. It involves a deep liking or fondness for someone.

2. Compassion is the feeling of deep sympathy and empathy for the suffering or misfortune of others. It involves a strong desire to alleviate their pain or distress.

3. Empathy is the ability to understand and share the feelings of others. It involves putting oneself in someone else's shoes and experiencing their emotions.

4. Sympathy is the feeling of pity or sorrow for someone else's suffering. It involves acknowledging and understanding their pain without necessarily experiencing it oneself.

Based on these definitions, the option that best fits the description of having a sense of concern for others and a desire for their wellbeing is B. Compassion.