Such a problem is____difficult for a primary school student ___.
A. so; to work
B. very too; to work out
C. rather too; to work out
D. quite too; to answer
网友回答
A. so; to work
B. very too; to work out
(答案→)C. rather too; to work out
D. quite too; to answer
解析:这是一个too... to... 的句型,首先排除A。very不能修饰too, 而rather可以。其次,work out常与problem搭配,而answer多与question搭配。