Answer:
D) intelligent character recognition
Step-by-step explanation:
Based on the scenario being described within the question it can be said that the best software tool for this particular situation would be an intelligent character recognition software. In the field of computer science, this is a software that allows an a computer to scan a handwritten note from paper and convert it into an electronic format that can then be stored and archived for future use. Thus allowing you to organize and later search for and reference the information.