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
True about scrub typhus is? 
Select and explain. 
A. Transmitted by larva of trombiculid mite, B. Incubation period is 3-4 days, C. Eschar is diagnostic, D. Caused by Rickettsia typhi
A: Transmitted by larva of trombiculid mite
Answer: A: Transmitted by larva of trombiculid mite 
Explanation: None