Answer:
The correct answer will be option-C
Step-by-step explanation:
Cancer is a disease caused by the uncontrolled division of the cell. Certain carcinogens cause the mutation in the DNA of the cells in response to which the normal cells divide continuously without differentiation which leads to the growth of the mass = of undivided cells.
In the given question, when student placed the cancer cells with normal cells than the cancer cells after few days will form a mass of undivided cells which is the result of the continuous cell division without differentiation not observed in the normal cells.
Thus, Option-C is the correct answer.