Answer:
d.) Trademark
Explanation:
Trademark is used to distinguish a product from other similar products. It is the unique identifier that makes the product or service recognizable. An example is the Target's Inc, bullseye logo.
A copyright is a protection offered to an individual's or an organization's creative ideas or product to show that they are the original owners/source of the said idea. Very common in music or an art.
Trade secret is a unique practice or formula of which a company has an intellectual property rights. For example, it's only CocaCola company that knows the secret formula for making the original Coke taste the same in every country their products are sold.
Intellectual Property are ideally, the new profitable and unique ideas of the mind. These inventions are protected by copyrights and patents.
A Patent is used to protect an invention from being copied, sold or used by any other party for a limited time period.