单选题 I was so＿＿＿the night before my examination that I could not sleep. 的答案

成人教育远程网络教育函授网上考试【大学英语I】课程在线考试模拟试题正确答案解析，免费查看【大学英语I】作业答案。
题目内容：
I was so＿＿＿the night before my examination that I could not sleep.
题目选项
worrying
tired
happy
nervous

参考答案价值：100%