SOURCE 1: According to writing expert Kenji Nakamura, the Internet, social media, and texting have significantly decreased the quality of students' writing in English classes. Nakamura compares student writing from 2010 and 1990 to show that over that period instances of "LOL," "IDK," and smiley faces increased 100 percent, and he argues that students must be taught to return to traditional grammar. SOURCE 2: English teacher Linda Idris claims that the rise of online media has given today's students more writing practice than any previous generation, with the result that students' comfort and competence with written communication have never been better. Expository writing, argumentative essays, critical thinking — everything is improved, according to a delighted Idris.

Which statement best synthesizes information from both sources?

A.
Most people agree that smiley faces do not belong in formal writing.

B.
Kenji Nakamura only compared expressions that students used and did not concentrate on their ideas.

C.
The Internet has given students much more writing practice than before.

D.
Experts disagree about whether online writing has helped or hurt students' writing skills overall.