问题
选择题
Since production has risen ________, the personal income has increased year by year.
A．steadily
B．fortunately
C．particularly
D．variety
答案
答案：A
题目分析：考查副词辨析。A稳定地；B幸运地；C专门地；D不同种类。句意：因为产量在稳定上升，人们的收入在逐年增加。根据句意所以选A。