The correct option is C. Adam and Eve, like Satan, fall because they question God’s sovereignty.
By Eating the forbidden fruit both Adan and Eve question God´s soveregnity and falling in Satan temptation to do so. Besides, he questions His supremacy all through Paradise Lost. By obeying Satan, it is clear that they support him instead of God. Consequently, they fall because they chose his sid. Thus they question God will. All wanted to transgress against God´s prerogatives.