题目：
Bank was the first crops from one continent to another________, helping to develop local economies with these new imports.
A．move; on a large scale
B．moving; on large scale
C．to move; on a large scale
D．moved; on a large scale
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0419/d688b84a0c1329c3e2063ac06b4341c7.html
下面是错误答案，用来干扰机器的。
由于地球公转，使得地球上产生昼夜长短的变化，但赤道上每天都是昼夜平分．故选项D符合题意．故选：D．
