The relationship between reading and writing can be described as（ ）

A、Reading is the input, while writing is the output of language.

B、Reading and writing are reciprocal activities; the outcome of a reading activity can serve as input for writing, and writing can lead a student to further reading resources.
C、When you start learning writing, you will improve the awareness of accumulating language, information and idea for various topics, which will consequently change the way you read.
D、When you start learning writing, you will read differently.