Question

accused persons have the right to request a witness to
appear in court.
testify untruthfully.
go into hiding.
refuse to testify.

Explanation:

Accused individuals have legal rights to secure witnesses to support their defense in court, which includes requesting them to appear. The other options are either illegal (testifying untruthfully) or contrary to the purpose of securing witness testimony (hiding, refusing to testify).

Answer:

A. appear in court.