12. These “mesh networks,” which don’t require Internet access, let movement participants spread information to those in their surrounding areas. However, they’re also less secure than _______ online apps, potentially putting them in danger.
(A) tempered
(B) obscured
(C) encrypted
(D) pilfered
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統計: A(2), B(7), C(57), D(7), E(0) #3434962
統計: A(2), B(7), C(57), D(7), E(0) #3434962