This question is incomplete because the text is missing; here is the missing part:
Text 1
1. Remove the back cover, using a small screwdriver to loosen the screw
2. Remove batteries and replace with two new AAA batteries. use the + and - signs to position correctly. dispose of used batteries properly.
3. Replace the cover and tighten the screw with the screwdriver
4. Reset the time using the side buttons
The GMX 200 is guaranteed to keep time accurately for one full year from date of purchase should it malfunction in any way during this time period, your money will be refunded in full.
The correct answer to this question is C. The users will get full refund if there is malfunction during the guarantee period.
Explanation:
This text provides instructions to change the battery in a GMX 200, which can be inferred it is a clock or similar device. This text explains the different steps users need to follow to change batteries. Moreover, in the last section of the text, it is clarified if there is any failure during the first year, which is the guaranteed time "your money will be refunded in full". According to this, it can be inferred during this time any malfunction implies the user gets a complete refund (option C.)