While Recording in a Patient's Chart,the Nurse Notes That a Patient's

While recording in a patient's chart,the nurse notes that a patient's hematest results have been positive.This means that:
(This question reflects the results an examiner may find during a complete physical examination.Content in this question is not necessarily addressed directly in Jarvis' Physical Examination & Health Assessment. )

A) there are crystals in his urine.
B) there are parasites in his stool.
C) there is occult blood in his stool.
D) there are bacteria in his sputum.