Beth is constructing the circumscribed circle for ∆ABC. Which construction could be her first step?
a) construct the angle bisector of ∠B
b) construct the angle bisector of ∠B
c) construct the perpendicular bisector of AC
d) construct the perpendicular bisector of segment AC
e) construct the angle bisector of ∠C
f) construct the angle bisector of ∠C
g) construct a copy of ∠A that is adjacent to ∠B
h) construct a copy of ∠A that is adjacent to ∠B