We need to see the poem in order to answer
The force of nature is ever preset in the world
I feel sad and sorry for Helena because she is somehow
hopeful that by telling Demetrius of Hermia and Lysander’s plan to elope,
Demetrius will eventually give up his love for Hermia. Helena was wrong because
Demetrius decided to chase Hermia and she is left with a choice to chase the
love she had lost to Hermia.
C has a misplaced adjective clause. It's supposed to be "I took my dog who began to bark to the veterinarian." C makes it sound like the vet started barking.