Which sentence uses brackets correctly? A deduction reduces the amount of your [income] that is subject to tax, thus generally reducing the amount of tax you must pay. [Even if you are not required to file an income tax return], you may choose to file a return if you are eligible for a refundable credit. See Form W-4 [Employee’s Withholding Allowance Certificate] to determine if you can claim exemption from income tax withholding. Your status as a full-time student exempts you [from filing federal taxes] if your earnings are less than the filing requirement for your age.

Your status as a full-time student exempts you [from filing federal taxes] if your earnings are less than the filing requirement for your age.

Explanation:

C. See From W-4 [Employee’s Withholding Allowance Certifícate] to determine if you claim exemption from income tax withholding. (edge 2020)

the choice that is not a technique that you should use to come up with ideas for the topic of a research project is, writing about academic subjects that are not interesting to you. this does not belong to the techniques to come up with ideas because having no interest in a certain topic will lose your drive to come up with better ideas. it gives no room for improvement and acquiring of new ideas and information. 

explanation:

gregor could have been bullying her