eumbaapplicant799 wrote:
I was going to comment how I also still don't understand but I talked through it to myself (I originally chose A).
A is incorrect because a scenario can exist where a larva tick became infected, developed to the adult stage (as an already infected adult), proceeded to feed on the one host as an adult, and then infected that person. Also, as was pointed out, extreme language; "only" is also present in A.
The following link may be helpful:
lyme-disease-215972.html#p1731268
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