Part of the following sentence is in (_) beneath the sentence are five ways of phrasing the underlined material. Select the option that produces the best sentence. If you think the original phrasing produces a better sentence than any of the alternatives, select choice A.
The well-preserved, 121-million-year-old fossilized bird embryo on display at the museum has several features that suggest that (its) young could move about and feed themselves very soon after they hatched.
its
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their
the species
for this species