After two years' careful study, we now have a better understanding of the cause

After two years' careful study, we now have a　 ________ better understanding of the cause of the problem.

A.very B．much C．fairly D．quite

试题答案

B　

have a much better understanding of...“对……有更好的了解”。四个选项中只有much可用来修饰比较级，以加强程度，表示“更……”。