Simplify and Write with Positive Exponents Only $\frac { \mathrm { m } ^ { 0 } } { \mathrm {~m} ^ { - 2 } }$

Simplify and write with positive exponents only.
- $\frac { \mathrm { m } ^ { 0 } } { \mathrm {~m} ^ { - 2 } }$

A) 1+m²
B) 1-m²
C) m²
D) -m²