【请教】GWD-T-4-Q12

T-4-Q12  

For the farmer who takes care to keep them cool, providing them with high-energy feed, and milking them regularly, Holstein cows are producing an average of 2,275 gallons of milk each per year.

A.    providing them with high-energy feed, and milking them regularly, Holstein cows are producing

B.    providing them with high-energy feed, and milked regularly, the Holstein cow produces

C.    provided with high-energy feed, and milking them regularly, Holstein cows are producing

D.    provided with high-energy feed, and milked regularly, the Holstein cow produces

E.     provided with high-energy feed, and milked regularly, Holstein cows will produce

     A中providing和milking看作take care的伴随状语，语法角度也没错啊？？？

请各路大侠指教！！谢谢！！