What were marshall's options in deciding the marbury
case?

First, whether Marbury had a right to the commission, Second, whether the laws of the country established a remedy for the deprivation of the right, and third, whether a mandamus could be issued in an original action before the Supreme Court.

Explanation:

Marshall began the opinion by framing the case in terms of three issues. First, whether Marbury had a right to the commission; second, whether the laws of the country established a remedy for the deprivation of the right; and third, whether a mandamus could be issued in an original action before the Supreme Court.

i think it was   tsar alexander ii