After Running Gel Electrophoresis on Restriction Enzyme-Digested DNA, You Have

After running gel electrophoresis on restriction enzyme-digested DNA, you have the expected results but observe that the band you are interested in is rather light.How would you make it darker using the same sample source?

A) Run the gel again for a longer period of time
B) Run the gel again for a shorter period of time
C) Digest the DNA again, then run the gel again
D) Run the gel again with less DNA
E) Run the gel again with more DNA