which taxpayer(s) will be required to file a 2021 federal income tax return? none of the individuals are blind (choose only 1 option)

A. Connie (70) and Gerald (68) are married and have gross income of $27,150. they loved together all year and will file a join return.

B. Derrick (69) and Linda (62) are married and have gross income of $26,100. they lived together all year and will file a joint return.

C. Phoebe (68) has gross income of $19,500. she will file as head of household.

D. Sean (58) has gross income of $18,950. he will file as head of household ​