Note: There are four total correct options for this question.

______ is one of several reasons why director James Cameron continually delayed production on his Avatar films.

a. Creative differences with his actors
b. Digital recording technology needed to improve
c. He needed to invent photo capture technologies
d. Challenges with artificial lighting technologies
e. It took until 2006 for motion capture animation to be invented
f. Did not want to compete with the MCU
g. The Fusion 3-D Camera System was not available until 2009
h. He could not find investors