Final answer:
Appearance plays a significant role in attraction, but it is not the only factor considered. Physical traits like facial symmetry are influential, alongside personality and social status, reflecting the complex nature of human attraction.
Step-by-step explanation:
The statement that best characterizes Appearance as a factor of attraction is that "d) Appearance plays a significant role in attraction." While it is not the only factor, research has demonstrated that physical attractiveness, including traits like facial symmetry and body proportions, are influential in the selection of friends and partners. However, other factors like personality, social status, and matching in attractiveness levels (matching hypothesis), also play crucial roles in attraction. It is a complex interplay of various attributes rather than a single determining factor. Hence, statements that declare appearance as the sole factor or completely irrelevant do not accurately capture the nuanced reality of human attraction.