Which Statement About Helicobacter Pylori Is True

Multiple Choice

Which statement about Helicobacter pylori is true?

A) These microorganisms are killed by the low pH of the stomach secretions.
B) Dr.B.J.Marshall developed gastric inflammation after he drank a culture of H.pylori.
C) H.pylori causes irritable bowel syndrome.
D) H.pylori only causes ulcers if the stomach is already inflamed from stress.