Help? ( if you do not know the answer please do not add your answer. I will mark brainliest if the answer is correct, If you guess and cause me to get this question wrong; i will report your answer. Please don't waste my time or anyone elses, Thanks. )

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.