The FDA does not regulate nutritional supplements so there is a higher chance that they could contain other substances than what they claim. What do you feel should be done about this situation? (Sorry I had to ask this again because the person on the previous one sent a link) (I will give brainliest to the best answer!!)

Which of the following statements concerning cancer and mutations is correct? a: cancer can only occur with a mutation in a somatic cell. b: usually, multiple mutations are required in different genes to cause cancer. c: none of the other answer options is correct. d: cancer can only occur with a mutation in a germ cell. e: usually, a single mutation is all that is required to cause cancer.