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：根据题意可知，说话者是将when people do it together和when people don’t do it together这两种情况比较，故选比较级。注意不要选D，因为在此题是要用副词修饰动词，不能用形容词。另外，根据句末的higher too也可知道此题是考查比较级。