When Comparing Women's and Men's Strategies of Learning Routes and Finding

When comparing women's and men's strategies of learning routes and finding their way,

A) men's reliance on spatial orientation is ineffective.
B) women's reliance on using landmarks to navigate is ineffective.
C) both genders are effective in finding their way, but women's landmark strategy offers more flexibility when forced to use an alternative route.
D) both genders are comparably effective in finding their way, and a combination of landmarks and spatial orientation is actually the most efficient.