In a felony case, the purpose of a grand jury is to

a. judge the merits of the case against the state constitution. b. decide if the offender should be tried by a jury. c. judge on a civil indictment. d. decide if the evidence warrants prosecution.

 C. decide if the evidence warrants prosecution.

Explanation:  

In case of a felony charge, the civil officer of presiding officer will decide if the evidence is thorough and clear enough to execute a warrant on the felon. Then, the jury orders the investigators and prosecutors to prosecute the felon, often for a few weeks. The answer is C.

both include an amendment process.

according to worldatlas.com, the u.s. has an 86% literacy rate.