请选择ABC3A;K1`-P+V5i,f:q;q5X5L7s Everyone tried to work out the problem, but ______ of them could do it.,d*G:h/H2{'j;Y'Q3H:x,I,u/^/^+n
A.none,d*G:h/H2{'j;Y'Q3H:x,I,u/^/^+n
B.neither,d*G:h/H2{'j;Y'Q3H:x,I,u/^/^+n
C.each,d*G:h/H2{'j;Y'Q3H:x,I,u/^/^+n