Which description is correct about the relationship between cell cycle and cell differentiation?

A、Thecellcycleandcelldifferentiationispositiverelated.;
B、Thecellcycleandcelldifferentiationisnegativerelated.;
C、Thecellcycleandcelldifferentiationisnotdirectedrelated.;
D、Therelationshipbetweencellcycleandcelldifferentiationisrandom.