In the following statements about functional dependency, which one is incorrect ( )

A．if X’

X, then X→X'

B．if X→Y and Y’

Y, then X→Y'

C．if X→Y and X’

X, then X'→Y

D．if X→Y and Y→Z, then X→Z

在播音主持创作中：“新”就是要有（）和（）