Read this central idea from a passage. Tablets and smartphones are being used in classrooms to connect education and technology.

Which sentence best supports this idea?

A.
Students need to learn to use their smartphones so that they can call during emergencies.
B.
Teachers use educational apps such as Learn As You Go to make learning interactive.
C.
Tablets and smartphones are being updated regularly to provide better user-friendly options.
D.
Students are often asked to do their homework using tablets or other electronic devices.