Choose the sentence that does not contain a parallelism error.
A. Congress declared that motion-picture companies could not engage in the three activities of producing, distributing, and to exhibit films.
B. Congress declared that motion-picture companies could not engage in the three activities of producing, distributing, and exhibiting films.
C. Congress declared that motion-picture companies could not engage in the three activities of producing, distribute, and to exhibit films.
D. Congress declared that motion-picture companies could not engage in the three activities of producing, distributing, and exhibit films.