27. Many remote areas need much care because their economic situations are inferior _____ the national average.
(A) at
(B) to
(C) on
(D) with

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統計: A(12), B(137), C(20), D(10), E(0) #2089977

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#3640657
翻譯:許多偏遠地區需要特別照顧,因為他們...
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