She didn’t allow the accident to discourage her. On the contrary, she began to work        .

A．as twice hard

B．twice as hard

C．twice as harder

D．harder twice

有人认为，建设社会主义和谐文化，就是要坚持马克思主义的指导地位，消除各种文化之间的差异。

请用文化生活知识评析这一观点。