What is the MOST likely reason for Karla to set an alarm on her work computer for 50 minutes past the hour every hour?

A.) It reminds her to stand up for a few minutes each hour.

B.) It signals that it's meal time.

C.) It wakes her up in case she falls asleep.

D.) It reminds her to readjust the position of her monitor

A) It reminds her to stand up for a few minutes each hour.