A parallel sentence mentions the same grammatical expression twice. I would go with "D". 'Passed' and 'Demonstrated' are both past tense words that express the same past tense grammatical idea.
If you have more questions, feel free to ask me.
Satrapi have said so many things regarding the disparity or the differences between the classes before and after the Iranian Revolution. Some of the parents were not allowing their sons or even maybe their daughter to come and attend the demonstration when Shah was taking control of everything.
<span>b.)moving through the darkness</span>
