You create a model-driven app. You need to use an AI model. 
What AI Builder control is available for the model-driven app to use?

Answer options:

A.Form Processing
B.Text Recognition
C.Business Card Reader
D.Object Detection

Correct Answer: C 
Currently, AI Builder provides a list of standard and custom models for Power Platform products. The list includes models like prediction, object detection, form processor, text classification, category classification, entity extraction, etc. 
AI Builder Business card reader is only one model available as a component for model-driven Power Apps apps. 

All other options are incorrect. 
For more information about using AI Builder Business card reader with Power Apps, please visit the below URLs: 

https://docs.microsoft.com/en-us/learn/modules/get-started-with-ai-business-card-reader/4-model-driven-app
https://docs.microsoft.com/en-us/ai-builder/business-card-reader-component-model-driven