Last year the number of death increased 2% 4% the year before.
A. to, paring to
B. by, paring with
C. to, pared with
D. by, pared to
网友回答
A. to, paring to
B. by, paring with
C. to, pared with
(答案→)D. by, pared to
解析：考查介词和过去分词做状语，第一空是by，increase to增加到，increase by增加了，第二空是过去分词做状语因为4%是被和2%比较，句意：和前年的4%比较，去年死亡的数量已经增加了2%。选D。