阅读理解。阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。
Increased use of the Internet and mobile phones is undermining pupils’ ability for independent study and promoting poor grammar, it was claimed.
Cranfield School of Managementfound almost
six in ten schoolchildrenwere copying information directly
from websites for homework tasks without