It can be inferred from the first paragraph thatA．civilized social democracy calls for goo

It can be inferred from the first paragraph that

A．civilized social democracy calls for good pension schemes.

B．farmers were deprived of pension due to discrimination.

C．pension scheme began to prevail in the 20th century.

D．Otto von Bismarck borrowed others" ideas in his pension scheme.

请帮忙给出正确答案和分析，谢谢！