A hypothesis known as Cetartiodactyla theorizes that whales and hippopotamuses evolved from a common ancestor, therefore the closest living relative of the whale is the hippopotamus and vice versa.
A. A hypothesis known as Cetartiodactyla theorizes that whales and hippopotamuses evolved from a common ancestor, therefore the closest living relative of the whale is the hippopotamus and vice versa.
B. A hypothesis known as Cetartiodactyla theorizes that whales and hippopotamuses evolved from a common ancestor; therefore the closest living relative of the whale is the hippopotamus and the closest living relative of the hippopotamus is the whale.
C. A hypothesis known as Cetartiodactyla theorizes that whales and hippopotamuses evolved from a common ancestor; therefore, they are each other’s closest living relatives.
D. A hypothesis known to be Cetartiodactyla theorizes that whales and hippopotamuses evolved from a common ancestor; therefore the closest living relative of the whale is the hippopotamus and vice versa.
E. A hypothesis known to be Cetartiodactyla theorizes that whales and hippopotamuses evolved from a common ancestor; therefore they are each other’s closest living relatives.
A is wrong because <Independent clause> ; <Independent clause>
B sounds correct because properly seperated by ";" and clearly mention that whale is hippopotamus closed living relaive and vice versa.
C is wrong because they is referring to whales or hippopotamus ? pronoun must refer to one ancedent.
D and E wornd with the expression " to be" which is considered as wrong in GMAT