7. Higher drug prices, rising out-of-pocket costs and reduced incomes create
economic ____ for many patients.
(A)straight
(B)strait
(C)strain
(D)strand
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統計: A(4), B(9), C(60), D(6), E(0) #3262733
統計: A(4), B(9), C(60), D(6), E(0) #3262733