句式转换

They no longer use animals to do farm work. (改为同义句)

They ________ use animals to do farm work ________ ________.

-- Is the life on the farm better today?

-- Of course. Farmers don’t use animals to do farm work ______.They use machines.

　 A. on more　　　 B. much more　　　 C. any more　　 D. no longer