1. Given $\frac { ( 1 - j ) ^ { 2 } } { z } = 1 + \mathrm { i }$ (where i is the imaginary unit), then the complex number $\mathrm { z } =$ A. $1 + i$ B. $1 - i$ C. $- 1 + i$ D. $- 1 - \mathrm { i }$
1. Given $\frac { ( 1 - j ) ^ { 2 } } { z } = 1 + \mathrm { i }$ (where i is the imaginary unit), then the complex number $\mathrm { z } =$\\
A. $1 + i$\\
B. $1 - i$\\
C. $- 1 + i$\\
D. $- 1 - \mathrm { i }$