What kind of punctuation can I use instead of the comma? I value my independence because I want to be the only one in control of my life, and because I hate being told what to do.

Because there is 'and' there I'm not sure what else you could use. However, you could rephrase it to "I value my independence because I want to be the only one in control of my life; I hate being told what to do."

answer; (d) i believe the best answer is ; ///people said that man could not fly, but in 1903, orville and wilbur wright made the first sustained powered flight in a heavier- than-air machine;

to persuade readers which is answer c