Which of These Statements Does NOT Apply to Cancer Cells

Which of these statements does NOT apply to cancer cells

A) They arise only when multiple independent mutations occur within the same cell.
B) They 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 them.
D) They usually do not adhere well to neighbouring cells, so some of them may break away from the parent tumour.