- It’s hard problem for the twins that of them can work it out.
A. so; neither
B. such a; neither
C. so a; neither
D. such a; none
网友回答
A. so; neither
(答案→)B. such a; neither
C. so a; neither
D. such a; none
解析：such+a+adj+n[C]单数，根据前文内容the twin，neither of表示两者都不，故选B