Q31: A certain right triangle has sides of length x, y, and z, where x < y < z. If the area of this triangular region is 1, which of the following indicates all of the possible values of y ?
A.
y > B.
< y < C.
< y < D.
< y < E.
y < Answer 不会做，请NN帮忙，谢谢！ 另外，正整数包括0吗？偶现在真的的晕了头了 | 
