It’s C or A but put what you think is the best answer
Answer:
tremble or shake with a slight rapid motion. Severe fear.
The reverse transcriptase is an enzyme which is used to (B) make DNA from RNA. It generates a complementary DNA from a RNA template and that is why it is called reverse transcriptase.
As soon as he'd briskly finished up all of his chores he had, he lit his fire and spied us in the blaze/the heart's inside us shook/terrified by his rumbling voice and monstrous hulk.
not my answer! one I had found. I don't want to take credit for this as I don't know what this is actually about. just wanted to help!
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