单项选择题

As the gender barriers ________, the number of women working as lawyers, doctors, or bankers began to increase significantly from the mid-20th century.

A．crumbling
B．crumbled
C．crush
D．crushed

你可能感兴趣的试题

不定项选择

密集分销是指生产者尽可能地通过许多负责任的、适当的批发商、零售商推销其产品。

A．正确
B．错误

（）按加工方法需要可划分为生馅、熟馅、甜馅三大类。

答案：正确