What can you conclude from the given information?

Given: If Karl runs 1 mi, then he runs 1760 yd. If Karl runs 1760 yd, then he runs 5280 ft.

AKarl runs 5280 ft.
BIf Karl runs 1 mi, then he runs 5280 ft.
CKarl runs 1760 yd.
Dno conclusion