Work gets done when people do it together,and the rewards are higher too.
A. easily
B. very easy
C. more easily
D. easier
网友回答
A. easily
B. very easy
(答案→)C. more easily
D. easier
解析：形容词或副词的比较级表示两者间的比较。根据所提供的情景and the rewards are higher too可判断出要用more easily，表示“人们在一起工作时工作做得更容易”。easily是副词，修饰动词。easier是形容词，修饰名词或作表语。