What is the most likely reason for the decrease in hominin hairiness compared to apes?

A) to limit infectious disease spread
B) to improve hygiene
C) to regulate temperature and allow sweat to evaporate
D) to allow skin to absorb sunlight, for vitamin D synthesis
E) to save energy that hair production requires

Hominin Hairiness

Refers to the coverage and distribution of body hair in human ancestors and close relatives, impacting various aspects like thermal regulation and social signaling.

Infectious Disease

Diseases caused by pathogenic microorganisms such as bacteria, viruses, parasites, or fungi; they can be spread from person to person or through vectors.