On page 17, author Joey Bartolomeo writes "Caleb participated in the investigation by testifying about what happened during the health seminar at his school." As it is used in that sentence, what does "testify" mean? *

C. to persuade someone to join a group

B. to disguise or hide from sight

A. to argue so as to make a person agree

D. to talk and answer questions about something after formally promising to tell the truth

D. to talk and answer questions about something after formally promising to tell the truth

Explanation:

The verb testify means to provide evidence and testimony as a witness in a court of law. In the passage, the author Joey Bartolomeo explains that Caleb takes part in the investigation about the health seminar. Thus, Caleb makes a formal deposition, which will be used to examine the facts and establish the truth.

is it multiple

its d because i know