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A few statements about centrifugation method are given:

I. The mixture containing very small suspended particles is rotated at a high speed in a centrifuge machine.

II. The denser particles stay at the top.

III. The method is used to separate water from wet clothes in a washing machine.

IV. The method can be used in laboratories for separating plasma and platelets.

The correct statements are

A)  I and IV only

B)  I, II and III only

C)  II, III and IV only

D)  I, III and IV only