14. Mark is a positive guy who looks for the _______ in every situation even when faced with terrible ordeals.
(A) middle ground
(B) glass ceiling
(C) nuts and bolts
(D) silver lining
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統計: A(3), B(1), C(12), D(36), E(0) #3434964
統計: A(3), B(1), C(12), D(36), E(0) #3434964