Answer:
b. A person can refuse to testify against himself or herself.
Step-by-step explanation:
The Fifth Amendment states, among other things, a series of rights that a defendant has in criminal procedures, one of them is their right to protect against self-discrimination, that is to say, their right to refuse to testify against himself or herself.
The other rights concerning criminal procedures that the Amendment protects are the right to a grand jury, to be protected from "double jeopardy" and to due process of law when a person is "deprived of life, liberty, or property."