Questions 26-30 are based on the following table:

Which marital status shows the least difference between males and females（）

A．the man wanted to give his wife freedom
B．the man gave his wife a restricted divorce
C．the wife did not want to divorce her husband
D．the wife refused to give her husband a free divorce

A．To argue about a disputed issue.
B． To explain a complicated idea.
C．To describe a social phenomenon.
D．To demonstrate a research result.