Lightning Web Components (LWC):
Fully responsive and designed to handle touch events.
Executes on stateful clients with high performance.
Aura Components:
Supports responsive designs and touch events but is slightly less efficient than LWC.
Why Not Other Options?
B: Visualforce Components: Not designed for responsiveness or touch event handling.
C: Visualforce Pages: Primarily server-rendered and not stateful for touch interactions.
References:LWC Overview:https://developer.salesforce.com/docs/component-library/documentation/en/lwc