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 to 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


OA A

My doubts
1) usage of grow to be- it sounds awkward
2)OG says "as big as" is idiomatically incorrect but I have seen this usage in newspapers and articles