Answer:
continuous innovation
Explanation:
The vast majority of new products can be classified as continuous innovations (or incremental innovations) where one existing product is changed into a new product. By carrying out continuous innovations, the producers do not alter existing consumer habits. Most consumers rarely notice continuous innovations and they do not even consider that they are actually using a new product. E.g. every time the formula for a soap, detergent, shampoo, etc., changes it is considered a continuous innovation even though people still buy the same product. Continuous innovations basically refers to improving existing products.
Dashes are used to add emphasis or change a topic, as they can either give more importance to an idea or just interrup the idea with another one.
Ellipsis is used to remove unwanted parts of a long quotation and is mostly represented by three consecutive periods. It helps omit unnecesary elements within a sentence.
Commas are used to separate clauses, phrases, coordinating adjectives and non-essential words. Commas usually indicate pauses and they are used to separate ideas within a sentence.
I believe your answer is A. I hope this helps! Good luck!