Context: Imagine a school is facing a problem caused by flooding.
The lunchroom at Sunset Elementary School floods each year. When there is more than one inch of water on the ground outside, water flows under the doors and into the building. Dr. Rogers, the principal, wants to find a way to protect the lunchroom from flooding.
Select the time the lunchroom is most likely to flood.
A. when a river next to the school overflows
B. during a drought, when there is not much rain
Select the correct answer from the provided options and reply with the letter associated with it.

A