According to two teams of paleontologists, recent fossil discoveries in Pakistan show that whales,porpoises, and dolphins are more closely related to some of the oldest known even-toed ungulates--a group of hoofed mammals that today includes cows, camels, pigs, and hippos--than to any other mammals.
(A) that whales, porpoises, and dolphins are more closely related to some of the oldest known even-toed ungulates--a group of hoofed mammals that today includes cows, camels, pigs, and
hippos--than
(B) that whales, porpoises, and dolphins are more closely related to some of the oldest known
even-toed ungulates--a group of hoofed mammals that today include cows, camels, pigs, and
hippos--as
(C) whales, porpoises, and dolphins to be more closely related to some of the oldest known
even-toed ungulates--a group of hoofed mammals that today include cows, camels, pigs, and
hippos--than they are
(D) whales, porpoises, and dolphins as being more closely related to some of the oldest known
even-toed ungulates--a group of hoofed mammals that today includes cows, camels, pigs, and
hippos--as they are
(E) whales, porpoises, and dolphins as more closely related to some of the oldest known even-toed
ungulates--a group of hoofed mammals that today include cows, camels, pigs, and hippos--than