Digging in sediments in northern China, evidence has been gathered by scientists suggesting that complex life-forms emerged much earlier than they had previously thought.
A. evidence has been gathered by scientists suggesting that complex life-forms emerged much earlier than they had
B. evidence gathered by scientists suggests a much earlier emergence of complex life-forms than had been
C. scientists have gathered evidence suggesting that complex life-forms emerged much earlier than
D. scientists have gathered evidence that suggests a much earlier emergence of complex life-forms than that which was
E. scientists have gathered evidence which suggests a much earlier emergence of complex life-forms than that
Correct Answer Below (so you don’t see it while reviewing the question)
Correct Answer: C
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