The scale you described is the D natural minor scale. Here are the notes you provided:
- D natural
- E natural (whole step up)
- F natural (half step up)
- G natural (whole step up)
- A natural (whole step up)
- B flat (half step up)
- C natural (whole step up)
- D natural (whole step up)
The pattern of intervals (whole, half, whole, whole, half, whole, whole) fits the natural minor scale structure. Therefore, the correct response is:
minor