单选题This problem is ______&nb

问题补充：

单选题Thisproblemis______difficult__________.A.so; that few of us can doB.so; that few of us can do itC.too; for anyone of us to doD.too; for anyone of us to do it

答案：

B解析本题考查so…that…的用法。anyone 不与of连用；选项A that few of us can do中do没有宾语。