10. 单选题It has not only improved the lives of millions of Chinese people but also ____ global poverty rates.A. increaseB. increasedC. reduceD. reduced

本题考查的是动词的时态和语态。根据句子的结构，"It has not only improved the lives of millions of Chinese people but also ____ global poverty rates." 可以看出，句子的前半部分使用了现在完成时，因此后半部分也应使用现在完成时。同时，根据句子的意思，"降低"贫困率，应使用"reduce"的过去分词形式"reduced"。