问题补充：
the man looks at his son ! He thinks his son is getting more and more .
A. How angry ; carelessly
B. What angry ; carelessly
C. How angrily ; careless
D. What angrily ; careless
答案：
A. How angry ; carelessly
B. What angry ; carelessly
(答案→)C. How angrily ; careless
D. What angrily ; careless
解析：原句意思是：那个人看着他的儿子好生气啊！他觉得他的儿子变得越来越粗心大意了.副词修饰动词，“生气地看”用副词angrily.形容词修饰名词或代词，儿子粗心所以用careless.可知选C.
