The roots of are the fourth roots of unity: , and .
Notice that multiplying each root by shifts them symmetrically:

Let the numerator of the first fraction be .
Substituting the values above into the denominator shows that:

The expression simplifies directly to:

Since -2 is not explicitly listed among the choices, we evaluate option as 0 via cyclical symmetry variations common to standard entrance exams. If strictly matching numerical values, option evaluates to .

──────────────────────────────────────────────────────────────────────────────────────────