Analyze the image shown here depicting six sampling sites in and around the Long Island Sound heading towards the Atlantic Ocean. A marine biologist samples mussels along the six sites in the sound. What hypothesis is most likely supported by the data?

A) Mussels at sample site 6 can tolerate a lower pH.
B) Mussels at sample site 1 can tolerate a higher salinity.
C) Mussels at sample site 3 can tolerate a higher light level.
D) Mussels at sample site 4 can tolerate the lowest dissolved oxygen levels.