Recent studies of an oyster-rich bay indicated a high coliform count. What should the fisheries officers do?

a. Nothing. A high coliform count is normal.
b. Nothing. This is good for oyster production.
c. Shut down the bay. This is harmful to humans who eat the oysters.
d. Shut down the bay. This is harmful to the oysters.
e. Nothing. A high coliform count would be beneficial to humans who ate the oysters.