The development of silent reading during the last century indicated. an increase in the

* Hướng dẫn giải

Đáp án D

“Examinations of factors related to the historical development of silent reading have revealed that it became the usual mode of reading for most adults mainly because the tasks themselves changed in character” Ta thấy rằng “silent reading” phát triển là do sự thay đổi trong bản chất của việc đọc