What Are the Formal Powers of the Chief Justice of the Supreme

What are the formal powers of the chief justice of the Supreme Court?

A) He has administrative responsibilities and such additional powers as the full Supreme Court votes to authorize.
B) He has administrative responsibilities and the power to decide which cases the Court will hear.
C) He has substantial administrative responsibilities and has the authority to cast a tie-breaking vote when the Court cannot reach a decision.
D) He has certain administrative responsibilities but derives most of his power from leadership abilities and the prestige of the office.
E) none of the above