What is a type II error in the context of this problem?

A. The fish is accepted by the FDA when in fact it had more than 0.82 ppm of mercury.

B. The fish is accepted by the FDA when in fact it had less than 0.82 ppm of mercury.

C. The fish is rejected by the FDA when in fact it had less than 0.82 ppm of mercury.

D. The fish is rejected by the FDA when in fact it had more than 0.82 ppm of mercury.