In the example of Apple's refusal to create software to bypass security measures on a suspect's phone, what was the ethical justification for Apple's decision, according to the passage?

a$.$ The suspect was accused of a non$-$violent crime.

b$.$ Apple has a contractual obligation to protect user privacy.

c$.$ Creating such software could be misused by oppressive governments.

d$.$ The government was asking Apple to violate the suspect's constitutional rights.