43. What is not suggested in the article?
(A) Roger Ekirch is the author of a best-seller “At Day’s Close”.
(B) Roger Ekirch is convinced that segment sleep could be one of the sleeping pattern
options for humans.
(C) Doug Hollan was married when doing his ground research on the island of Sulawesi.
(D) Doug Hollan was disturbed by the sleeping pattern taken in Toraja.