—Look! That teacher is explaining something to her students again and again!—teacher she i

问题补充：

—Look! That teacher is explaining something to her students again and again!

—teacher she is!

A. How patient

B. What patient

C. How a patient

D. What a patient

答案：

A. How patient

B. What patient

C. How a patient

(答案→)D. What a patient

解析：中心词是teacher，是可数名词单数，故其感叹句应选择D。