The Most Stable Conformation of Trans-1-Tert-Butyl-2-Methylcyclohexane Is the One in Which

The most stable conformation of trans-1-tert-butyl-2-methylcyclohexane is the one in which:

A) the tert-butyl group is axial and the methyl group is equatorial.
B) the methyl group is axial and the tert-butyl group is equatorial.
C) both groups are axial.
D) both groups are equatorial.
E) the molecule is in the half-chair conformation.