In order to use the Fundamental Theorem of Line Integrals, certain conditions must be met. To answer this question, you might want to review the theorem in the textbook.

Which of the following conditions must be true?

A. F must be tangent to C.
B. F must be in the direction of C.
C. F must be a closed path.
D. F = Vf
E. C is a piecewise oriented smooth path.
F. F is continuous on C.