单选题 A man's skin is thicker than a woman's and not nearly as soft. The thickness prevents the sun's radiation from getting through, which is why men wrinkle less than women do.
Women have a thin layer of fat just under the skin and there is a plus to this greater fat reserve. It acts as an invisible fur coat to keep a women warmer in the winter. Women also stay cooler in summer. The fat layer helps isolate them from heat.
Men wrinkle less than women because

• A. men's skin is thicker and contains less fat.
• B. men's skin is thicker but contains more fat.
• C. men's skin is softer than women's.
• D. men's skin is too thick to wrinkl