Electron flow question, can anybody solve

For the cell described below, which of the following is true?

Zn(s)|Zn2+(aq)||Cr3+(aq)|Cr(s)

A. The electrons flow from the cathode to the anode.
B. The zinc is reduced.
C. The electrons flow from the zinc to the chromium.
D. The electrons flow from the chromium to the zinc.
E. The chromium is oxidized.

the answer is
C. The electrons flow from the zinc to the chromium.