In the opinion of the writer, why do women still earn less money than men？
A:Some professio
选项：

A:In the opinion of the writer, why do women still earn less money than men？
A:Some professions are not suitable for women.
B:The principle of" equal pay for equal work" isn' t observed.
C:It is very difficult to change people' s attitude towards the roles of women.
D:Women are often in the majority in low-paying jobs.