Answer:
Option (C).
Explanation:
Cancer may occur in the cells due to mutation, physical factors, chemical factors and the biological factors. Some virus are also responsible for the formation of cancer cells.
Cancer may be defined as the phenomena of the uncontrolled growth of the cell division and the cells require less nutrient medium to grow. The cells lost the ability of contact inhibition and apoptosis process halts in the cancer cells.
Thus, the correct answer is option (C).
