38.
(A) This is especially valuable in high-stress urban lifestyles.
(B) Unfortunately, there is not enough space for more trees to be planted.
(C) As a result, people suffer more from the ever-growing property prices.
(D) Metro systems are another feature that adds to the convenience of city life.
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統計: A(7), B(0), C(0), D(0), E(0) #3449879
統計: A(7), B(0), C(0), D(0), E(0) #3449879