B because it doesn't have to much thought to it. It sounds plain and simple.
The correct option is:
D ) The scirrhous cancer is a cancer in which the growth is a very hard tumor, and the encephaloid tumor is soft.
Explanation:
Epithelioma. Scirrhous cancer, or exhausting cancer, within which the framework predominates, and therefore the tumor is of exhausting consistence and slow growth. Encephaloid cancer, Medullary cancer, or Soft cancer, within which the cellular part predominates, and therefore the tumour is soft, grows rapidly, and sometimes ulcerates.
