问题补充：
How could she be so calm in front of so many people? It is really me.
A. across
Bagainst
C. beyond
D. over
答案：
A. across
B. against
C. beyond
D. over
解析：句意：在这么多人前面，她怎么能这么冷静？我真的不能理解。这里用beyond“超出…范围”，beyond sb”某人不能理解。Across“穿过表面”，against“反对，靠着，逆着”，over“越过”，所以选C。
