With no explanation, chose the best option from "A" or "B". Susan and Jake have been married for more than five years, and Jake comes back home late recently due to heavy workload. Susan wants to know what causes Jack to come home late.

A: Susan patiently waits for Jack to come back home and asks if he has worked overtime and feels tired.
B: Susan pretends to be a customer and goes to the shop where Jake works, checking out if Jake is still working at late evening.
A.