Which of the statement is correct from the following statements?
I. Gout is a kind of arthritis.
II. Malignant tumour do not show metastasis.
III. Diabetes mellitus is a communicable disease characterised by high blood sugar level.
IV. 1st December is celebrates as world AIDS day.
A. I and II
B. I and IV
C. II, III and IV
D. Only I