Answer:
D. radio frequency identification tags
Step-by-step explanation:
Radio frequency identification tags -
It is a method to track any product by using electromagnetic field which enable to trace and detect the tags which are attached to the product , is known as radio frequency identification tags .
These tags are inbuilt with certain important information of the product and hence can be easy traced , where it is exactly present in the store , and even can be detected if someone tries to steal it , by secretly taking it out of the store .
Hence , from the question , The most appropriate option is radio frequency identification tags.