In the context of the components of a typical expert system, a software package with manual or automated methods for acquiring and incorporating new rules and facts so that the expert system is capable of growth.

knowledge acquisition facility

Explanation:

A knowledge acquisition facility in expert systems is a software-based application used to acquire information from different sources such as human experts. The information can be used to come up with rules and facts that are applied in the functioning of an expert system. The information gathered is stored in the knowledge base for extraction when solving complex problems. The acquisition of more information means the growth of the expert system and improved functionality.

i think the answer is b.