This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Pseudomembranous colitis, all are true except - 
Select and explain. 
A. Toxin A is responsible for clinical manifestation, B. Toxin B is responsible for clinical manifestation, C. Blood in stools is a common feature, D. Summit lesions is early histopathological finding
C: Blood in stools is a common feature
Answer: C: Blood in stools is a common feature 
Explanation: Ans. is 'c' i.e., Blood in stools is a common feature