GRE Text Completion: PeakGMT-GRE填空PeakGMT - L4012GS5O864N8Q5I$

Unless you use a Kindle or another e-reader regularly, you probably don't come into contact with this innovative displays. While they were once popular for high-end devices, they've (i)____________ in reading devices now that LCD and other display technology have grown in popularity and (ii)____________. A. eagerly been elevated B. effectiveness C. especially been forgotten D. affordability E. largely been relegated to use F. unavailability