Nikita,an Employee-Agent of Operational Processes,Inc

Nikita,an employee-agent of Operational Processes,Inc.,is authorized to access company trade secrets.Nikita downloads those secrets onto a thumb drive.She then quits Operational's employ and goes to work for Quantum Analysis,Inc.,an Operational competitor,with whom she shares the secrets.With respect to the agent's duty of loyalty to her principal,this is

A) unethical,but not illegal.
B) neither unethical nor illegal.
C) illegal,but not unethical.
D) unethical and illegal.