8. By SMCP, choose one of the following sentences for expressing ”A shoal that has not been charted yet has just been detected in position __________” (A) “Warning: uncharted shoal reported in position __________ ”. (B) “Warning: uncharted shoal located in position __________ ”. (C) “Warning: uncharted shoal found in position __________ ”. (D) “Warning: uncharted shoal detected in position __________ ”.