As Kepler's First Attempt to Invent a Theory That Agreed

Multiple Choice

As Kepler's first attempt to invent a theory that agreed with Tycho's data, he tried to "fit" the data for Mars to an orbit that was

A) a circle with Earth at the center.
B) an ellipse with the sun at one focus.
C) a circle with the sun at the center.
D) an ellipse with Earth at one focus.
E) a loop- the- loop, i.e., a circle within a circle.