Nikki spent much time planning and considering her travel options. She realized that she did not have enough money and could not go on her vacation. What is the best way to combine the two sentences? A After Nikki spent much time planning and considering her travel options, she realized that she did not have enough money and could not go on her vacation. B Nikki, spending much time planning and considering her travel options, could not go on her vacation and did not, she realized, have enough money. C Because she did not have enough money and because Nikki had spent much time planning and considering her travel options, she could not go on her vacation. D Nikki could not go on her vacation because she did not have enough money and she had spent much time planning and considering her travel options.