Which of These Statements Does NOT Correctly Describe Cancer Cells

Which of these statements does NOT correctly describe cancer cells?

A) Cancer cells arise only when multiple independent mutations occur within the same cell.
B) Cancer cells lack the ability to perform the specialized functions of the normal cell type from which they mutated.
C) The body has no means by which to defend against cancer cells.
D) Cancer cells usually do not adhere well to neighbouring cells, so some of them may break away from the parent tumour.