Bunuel wrote:
Highly adaptive and in no danger of extinction,cats have changed little in the millions of years that it has existed .
A. cats have changed little in the millions of years that it has existed.
B. the cat changed little in the millions of years of its existence.
C. the cat has changed little in the millions of years it was existing.
D. the cat has changed little in the millions of years of its existence.
E. little has changed for the cat in the millions of years of its existence.
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