(Based on the growth rates of large modern reptiles such as) the Galapagos tortoise and examination of fossiles of juvenile dinosaurs,scientists estimate that the larger dinosaurs probably lived tobe between 100 and 200 years old.
(A) Based on the growth rates of large modern reptiles such as
(B) On the basis of growth rates of large modern reptiles such as
(C) Based on the growth rates of large modern reptiles like
(D) On the basis of growth rates of large modern reptiles, like those of
(E) Based on such growth rates as those of large modern reptiles like
