Nurses can help their clients by keeping them informed about the distinctive slages of labor. What description should a nurse indicate as being accurate with regard to the phases of the first slage of labor?

A$.$ Active: moderate, regular contractions; $4$ to $7cm$ dilation; duration of $3$ to $6$ hours

B$.$ Transition: very strong but irregular contractions; $8$ to $10cm$ dilation; duration of $1$ lo $2$ hours

C$.$ Latent: mild, regular contractions; no dilation, bloody show, duration of $2$ to $4$ hours

D$.$ Lull: no contractions; dilation stable; duration $20$ to $60$ minutes