[单选题]
The position, x, of an object ixi 0 .y(zjp8vt6i7xvls givenf5euifm 45v) z by the equation $x = A + Bt +Ct^2$, where $t$ refers to time. What are the dimensions of A, B, and C?
A. $distance, distance, distance$
B. $distance, time, time^2$
C. $distance, distance/time, distance/time^2$
D. $distance/time, distance/time^2, distance/time^3$
