阅读下面两篇短文，从短文后各题所给的四个选项(A，B，C，D)中选出能填入空白处的最佳选项。

    On my first day as a teacher, I arrived really early. My hands were shaking. My heart1quickly. I was so2that I hid myself behind the desk. The kids came in and looked for their3. I heard them whispering, "Where is our new teacher, Ms. Wood?"

    Thinking it twice, I stood up.  Everyone was surprised. I decided to be honest with my students. I took a deep4, and told the kids how nervous I was. But I also told them that I wanted to be their best friend and best teacher, too. One boy said, "That's okay, Ms. Wood. I was scared, too." The students were all standing there, smiling at me. They made me feel so5. My fear slowly disappeared.