T-4-12 求助

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.

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

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

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

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

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

正确答案是E

我不太理解为什么D不对，这个和后面的each 有关系吗？？望战友们指正

For the farmer who takes care to keep them cool,

them必须要指代复数，所以用cows

谢谢楼上的解答

...这么重要的代词没有注意到,太笨了实在