The correct answer is D. Intelligence
Step-by-step explanation:
In humans, humor refers to the quality of being comic or using language, actions, etc. to amuse others and make them laugh. In the case of human relationships finding a person with humor is important to many individuals, this according to science can be explained as humor often help individuals to feel better in hard or difficult situations, besides this, it is believed humor acts as an indicator of intelligence and therefore of survival skills that are one of the most important factors in selecting a mate. This can be explained as humor often implies using complex reasoning. According to this, humor attracts potential mates because it signifies intelligence.