Crystal thinks that brushing your teeth daily is beneficial, or (A) helpful

(B) useless

(C) painful

(D) pretty ​

the answer is helpful

A

Explanation:

this question is not school related. refrain from asking non school or academic related questions in the future.

when making an inference, the reader should be sure to support the inference with

evidence

a is an educated guess about what will happen.

c. prediction

when new information proves that a reader's prediction is wrong, the reader should

make a new prediction based on the new information.