The correct answer is: A. A way of representing knowledge.
A semantic network is a way of representing knowledge in a way that is easy for computers to understand. It is a network of nodes and links, where each node represents a concept and each link represents a relationship between two concepts. Semantic networks are often used in natural language processing and artificial intelligence.
A data structure is a way of organizing data in a computer so that it can be easily accessed and manipulated. There are many different data structures, each with its own advantages and disadvantages. Some common data structures include arrays, linked lists, and hash tables.
A data type is a set of values that a variable can hold. There are many different data types, such as integers, floats, strings, and booleans. Data types are important because they help the computer to understand the type of data that is being stored in a variable.
None of the mentioned is not the correct answer.