Laboratory rats and mice live up to 40 percent longer than usual when fed a diet of at least 30 percent fewer calories than that which they would normally eat, but that otherwise contains all necessary vitamins and nutrients.
(A) of at least 30 percent fewer calories than that which they would normally eat, but that otherwise
(B) with at least 30 percent fewer calories than what they would normally eat though otherwise it
(C) that has at least 30 percent fewer of the calories that they would normally eat, but otherwise it
(D) that has at least 30 percent fewer calories than they would normally eat but that otherwise
(E) that has at least 30 percent fewer calories than that which they would normally eat, though that otherwise
(A) of at least 30 percent fewer calories than that which they would normally eat, but that otherwise
(B) with at least 30 percent fewer calories than what they would normally eat though otherwise it
(C) that has at least 30 percent fewer of the calories that they would normally eat, but otherwise it
(D) that has at least 30 percent fewer calories than they would normally eat but that otherwise
(E) that has at least 30 percent fewer calories than that which they would normally eat, though that otherwise
