What distinguishes a benign tumor from a malignant tumor?
A) Benign tumors grow rapidly and invade surrounding tissues, while malignant tumors do not.
B) Malignant tumors grow slowly and are non-invasive, while benign tumors are fast-growing and invasive.
C) Benign tumors are non-cancerous and do not spread to other parts of the body, while malignant tumors are cancerous and can spread.
D) There is no difference between benign and malignant tumors; they are the same.