In Order for the Supreme Court to Hear Oral Arguments

In order for the Supreme Court to hear oral arguments or decide a case on the written record,

A) a majority of the justices must agree to take the case.
B) four justices must agree to take the case.
C) the chief justice must agree to grant a writ of certiorari to the case.
D) all justices must agree to take the case.
E) the solicitor general representing the United States government must agree to permit the case to be heard.