<prompt> Wakati wa Pleistocene, visiwa vya Java, Sumatra, Bali, na Bormeo viliundwa ___. ardhi inayounganisha Australia, New Guinea, na Tasmania iliitwa ___.A. Sunda; Wallacea B. Wallacea; Beringia C. Beringia; Sahul D. Sunda; Sahul  <response>: <reason> D 