A.
$(x-a_{1})(x-a_{2})...(x-a_{n})-1$,其中$a_{1},a_{2},...,a_{n}$是两两互异的整数;
B.
$(x-a_{1})(x-a_{2})...(x-a_{n})+1$,其中$a_{1},a_{2},...,a_{n}$是两两互异的整数;
C.
$(x-a_{1})^{2}(x-a_{2})^{2}...(x-a_{n})^{2}+1$,其中$a_{1},a_{2},...,a_{n}$是两两互异的整数;
D.
$(x-a_{1})^{2}(x-a_{2})^{2}...(x-a_{n})^{2}-1$,其中$a_{1},a_{2},...,a_{n}$是两两互异的整数.