The 32 species that make up the dolphin family are closely related to whales and in fact include the animal known as the killer whale, which can grow to be 30 feet long and is famous for its aggressive hunting pods.
(A) include the animal known as the killer whale, which can grow to be 30 feet long and is
(B) include the animal known as the killer whale, growing as big as 30 feet long and
(C) include the animal known as the killer whale, growing up t0 30 feet long and being
(D) includes the animal known as the killer whale which can grow as big as 30 feet long and is
(E) includes the animal known as the killer whale which can grow to be 30 feet long and it is
题目分析：include和划线外的are closely中的are形成并列关系，D和E干掉。ABC中B用growing和and后面的famous不形成并列关系，and写不出来，干掉。AC一个用can grow一个用growing，是能长到这么长而不是表示伴随状态，选A
