Which of the Following Is True of the U

Which of the following is true of the U.S.criminal justice system?

A) Approximately 90 percent of all cases begin and end with a guilty plea.
B) The Constitution does not specify the size of a jury,but tradition has set the number at twelve.
C) Unanimous votes of juries are required for a criminal conviction.
D) Recent Supreme Court rulings ensure that judges' authority in sentencing derives from juries' verdicts.
E) All of these are true.