From the smile of the teacher’s face we know she the results in the exam.A. is pleased

问题补充：

From the smile of the teacher’s face, we know she the results in the exam.

A. is pleased with B. is angry with C. is worried about

答案：

解析：句意：从老师微笑的表情，我们知道她对考试结果很满意。A对……满意；B 对……生气；C对……担忧；结合语境，选A。