Which words in this sentence are an independent clause?

The forest that they are uncovering once held flowers that fell during a fire and were cooked until they became charcoal.









A.
that they are uncovering







B.
that fell during a fire







C.
until they became charcoal







D.
The forest once held flowers

2 answers

An independent clause can be a sentence on its own. Which do you think it is?
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