It it believed that modern farming methods have gr...

Câu hỏi: It it believed that modern farming methods have greatly improved farmers’ lives.

A. Farmers are believed to have enjoyed a much better life thanks to modern farming methods.

B. Modern farming methods were believed to have greatly improved farmers’ lives.

C. Modern farming methods are believed to have had negative effects on farmers’ lives.

D. People believe that there is little improvement in farmers’ lives thanks to modern farming methods.