题目选项分析

Inflammation in pregnant female dairy cattle, which occurs commonly just after birth, although it is a cause for concern among farmers—many disorders, including metabolic diseases such as ketosis and fatty liver, are known to occur at this time—it is believed to play a beneficial role in the complex process of going from late pregnancy to lactation. 

Although inflammation in pregnant female dairy cattle, which occurs commonly just after birth, is a cause for concern among farmers—many disorders, including metabolic diseases such as ketosis and fatty liver, are known to occur at this time—it is believed to play a beneficial role in the complex process of going from late pregnancy to lactation.