Nervous is the predicate adjective
Sentences 2, 3, and 4, best elude that Divine Providence was involved in the fate of Plymouth's Colony.
The first sentence is filler information that does not talk about God or Divine Providence at all
Well you see Pepy is a loser
The sentence given is "A major Romantic poet, John Keats wrote brilliantly, loved hopelessly, and died prematurely. The answer is letter C. "and died prematurely". This is to maintain the parallel structure of the sentence which should be your guide in choosing the next phrase. "brilliantly", "hopelessly", and "prematurely" are alike.