the wide spread of super hybrid rice around the world ___the lives ft milions and millions of
问题描述：
the wide spread of super hybrid rice around the world ___the lives ft milions and millions of
people suffering from hunger to a great level
a has improves b is improving c improved d has been improbing帮我分析一下答案和考点
答
A语法错误
B是一般现在时 表示正在
C陈述过去发生的事
D过去以来一直都
所以我觉得应该选D答案是b