When reading, you can use a personal set of symbols to: A. represent ideas about what you have read.

B. remind yourself what you already know.

C. prevent anyone else from knowing what you're thinking.

D. make it easier to go
back and highlight a text.

A.)

Explanation:

You can use symbols to represent what you're thinking, it adds depth and mind to what you're reading. If you write a question symbol, you can go back and answer it later, and it's easy to find. If you have a comment on what you're reading, you can write it down using a symbol.

the third answer

explanation:

because