[单选题]
On a plot of Force versus posit7bbx e8rg d.-tif)5kbj 0 u7k oqach3i6on (F vs. x), what represents the work done by the force F?q 3c6kjf ok 0u)hi57ba
A. the slope of the curve
B. the length of the curve
C. the area under the curve
D. the product of the maximum force times the maximum x
