The correct answer is B. Safety.
Security is the state of being protected from or not exposed to danger or risk. It is the condition of being free from harm or danger. Safety is the state of being protected from or not exposed to danger or risk. It is the condition of being free from harm or danger.
Boldness is the quality of being brave and daring. It is the quality of being courageous and fearless. Fearlessness is the quality of being not afraid. It is the quality of being brave and courageous. Confidence is the quality of being certain of oneself and one’s abilities. It is the quality of being self-assured and self-confident.
In the context of the question, security is the most appropriate answer because it is the most closely related to the concept of safety. Security is about protecting something from harm or danger, while boldness, fearlessness, and confidence are about being brave, not afraid, and self-assured, respectively.