_ Which of the following statement is wrong?$?

• A. The hot chamber die casting machine is used for casting zinc, tin, lead and other low melting alloys.
• B. The cold chamber die casting machine is used for casting aluminium, magnesium, copper base alloys and other high melting alloys.
• C. The castings produced by centrifugal casting method have open and coarse grained structure.
• D. All of the above