What is true about debit cards?
a. they are linked to a savings or checking account.
b. they cannot be used at atms or more retail stores.
c. they include a computer chip.
d. all of the above

The best answer choice has to be A because, for B you can use it at ATMs or more retail stores, and for C it doesn’t include a computer chip, it’s a debit card. So, it has to be A because they are linked into a savings or checking account :)

I hope this helps!