This is _____difficult problem______my brother can't work it out._英语解答

This is _____difficult problem______my brother can't work it out.
A.so,that B.such,thatC.so a,thatD.such a,that

人气：223 ℃　时间：2020-01-19 20:38:06

解答

D
such( a/an) +形容词difficult +名词problem + that 的结构
翻译；这是个如此困难的问题以至于我哥哥解答不出来
如果用：so + 形容词/副词 + that..