单项选择题

I had spoken of the rich years when the rainfall was plentiful. But there were dry years too, and they put a terror on the valley.______

A.我已经谈到过富裕的年份,那时雨水很多。但也有干旱的年份,那时候,他们就把恐怖带到了河谷。
B.我已经谈到过雨水充沛的丰饶岁月,也要谈谈干旱的年份,那时候,河谷的模样叫人害怕。
C.我已经谈到雨水很多的富裕的年份,也要谈谈干旱的年份,这些年份把恐怖带到了河谷。
D.我已经谈到过雨水充沛的丰饶岁月,但也有干旱的年份,那时候,河谷的模样叫人害怕。