A female presents with symptoms and signs suggestive of meningitis.MRI scan reveals a ring enhancing lesion in the frontotemporal region while CSF grows gram positive bacilli. Other findings are minimally abnormal.Which of the following organisms is the most likely etiological agent:

A female presents with symptoms and signs suggestive of meningitis.MRI

1.	A female presents with symptoms and signs suggestive of meningitis.MRI scan reveals a ring enhancing lesion in the frontotemporal region while CSF grows gram positive bacilli. Other findings are minimally abnormal.Which of the following organisms is the most likely etiological agent:
A.	Pneumococcus
B.	Staphylococcud aureus
C.	Listeria monocytogenes
D.	Hemophilus Influenza
Answer» D. Hemophilus Influenza