explain the answer to the question below

Suppose that the sensitivity of the medical test for a disease is 0.9, and that the specicity is 0.7. In which of the following cases would the probability that a patient has the disease given that they test positive be highest? 0 Not enough information given 0 P(D) = 0.62 O P(D) = 0.21 O P(D) = 0.89 O P(D) = 0.0073 0 P(D) = 0.24