Present simple or continuous?

[adry_ral]

Which one is correct?
Why______ Andrew_____ mistakes all the time?
a. does, make
b. is, making
Thank you very much.

 

[Anglika]

Which would you choose?

 

[adry_ral]

I really don't know.

 

[Anglika]

Basically, both are correct.

What was the exercise designed to test?

 

[adry_ral]

Nothing specific. There are a lot of grammar and vocabulary questions for second year students in Psychology.