关于Base的用法

Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be 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（B）

(E) Based on such growth rates as those of large modern reptiles like

答案是B请问A主要是错在哪里了？

sth.be based on

cos the subject is sb., so we should use on the basis of...

BTW,"basing" on is also wrong!