, children under eight years old are still unable to take care of themselves.
A. To be frank
B. As a result
C. Generally speaking
D. To tell you the truth
网友回答
A. To be frank
B. As a result
(答案→)C. Generally speaking
D. To tell you the truth
解析：短语辨析. To be frank坦白的说; As a result结果;Generally speaking一般而言;To tell you the truth说实话,老实告诉你.根据下文,八岁以下的孩子们仍旧不能照顾他们自己.结合语境可知选C.