With no explanation, chose the best option from "A" or "B". Carl is a teacher, and Bill, one of his students whose home life has been deteriorating, has started getting bad grades. Carl wants to let Bill know about his grades slipping.

A: Carl warns Bill about his grades, but does not inquire about Bill's academic decline.
B: Carl asks Bill about his academic decline and helps him out when he finds out about Bill's home life.
B.