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Which of the following statement is wrong?

A. The value of C.O.P. is always greater than one.

B. In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour.

C. The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region.

D. None of the above

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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