The validity of a culture report is dependent on the quality of the specimen sent. To determine if an expectorated specimen was sputum and not saliva, the Gram stain should show:

A) more than 10 epithelial cells per low power field and abundant Pseudomonas aeruginosa in pure culture
B) more than 10 epithelial cells per low power field and moderate to abundant polys
C) many WBCs and organisms on low power field
D) fewer than 10 epithelial cells per low power field