Final answer:
The passage describes features that are inconsistently plain compared to traditional beauty standards, making option C) Plain the accurate choice for the individual's appearance.The correct option is C.
Step-by-step explanation:
The passage describes someone with archless, unshapely eyebrows, flat hair, mirthless green eyes, a brow too wide, a chin too narrow, and lips too thin. These descriptions do not align with beauty standards that typically include features such as high cheekbones, a long neck, a delicate eyebrow arch, and an Archaic smile indicative of happiness. Thus, the correct answer to the question about how this person's appearance can be defined among the options provided (Expressive, Attractive, Plain, Elegant) is C) Plain.