<span>A.
Half the students were failing the course near the end of the school year.
The sentence is written in passive voice because the course is the subject of the sentence and was being failed is the main verb phrase. The course can't fail. The students are the ones who are failing so to change it you must make the students the subject of the sentence. A is the only option that makes the students the subject.
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The lines in the above excerpt from Act V of Shakespeare's “Romeo and Juliet” which reflect the conflict of person versus the unknown are:
“Of death, contagion, and unnatural sleep:
A greater power than we can contradict
Hath thwarted our intents.”
When Juliet rises from her 'unnatural sleep' and asks Friar Laurence about her beloved Romeo she comes to know that Romeo had died after drinking the poison. Frair Laurence tells her that 'a greater power' which is death has shown its supremacy and had occurred.
