DNA was isolated from water samples taken from six different sites. This gel was

DNA was isolated from water samples taken from six different sites. This gel was made to determine where silver carp are found.
1 2 3 4 5 6 7 8
1. North Shore Site 1
2. North Shore Site 2
3. Chicago Site 1
4. Chicago Site 2
5. Calumet Site 1
6. Calumet Site 2
7. Negative Control
8. Positive Control
The results of the eDNA analysis for silver carp,
How do scientists know silver carp are at North Shore site 1 (lane 1)?
A. One of the bands in lane 1 matches a band in lane 2.
B. One of the bands in lane 1 matches a band in the negative control.
C. One of the bands in lane 1 matches a band in the positive control.
D. None of the bands in lane 1 matches a band in either control.