OG13 第80题语法求解！

yyy2013

The only way for growers to salvage frozen citrus is to process them quickly into juice concentrate before they rot when warmer weather returns.

• A    to process them quickly into juice concentrate before they rot when warmer weather returns  
• Bif they are quickly processed into juice concentrate before warmer weather returns to rot them
• Cfor them to be processed quickly into juice concentrate before the fruit rots when warmer weather returns
• Dif the fruit is quickly processed into juice concentrate before they rot when warmer weather returns
• Eto have it quickly processed into juice concentrate before warmer weather returns and rots the fruit
  我错选了a，答案是e，一直没有搞清两句句子rot和warmer weather returns逻辑关系的差异，求大神指教！
  

yyy2013

顶一下！！

钢琴123

warmer weather(主)   returns and rots（两个动词并列）  fruit（宾语）