A-A+
According to the article inventors used to se
问题详情
According to the article, inventors used to secure patents on their inventions far______than they can now.
A．easiest
B．easier
C．most easily
D．more easily请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
语法：比较级1．由空格后than可知，空格处应填人比较级结构。2．空格处应填入副词来修饰动词used to secure，因此副词比较级(D)为正确选项。
