Answer:
b. line extensions
Step-by-step explanation:
Line extensions -
It is the method to publicize certain goods or services , under the name of a well established company , is referred to as line extension.
In this case , the people tries to add new and innovative goods and services to their existing product line , in order to increase the profit.
They make changes in the flavours , variety and methods.
Hence, from the given scenario of the question,
As Coca - Cola expanded various new Coke options , showcasing the method of Line extension.