Which statement about sampling in grounded theory studies is true?

A.Grounded theory researchers do not use the principal of data saturation in their sampling approach.

B.Grounded theory researchers start with theoretical sampling and then later evolve to a snowballing approach.

C.In a grounded theory study, sampling, data collection, data analysis, and theory construction occur concurrently and iteratively.

D.Grounded theory studies typically involve samples of 40-50 people.