145.
(A) The farm was sold to a larger corporation.
(B) Water prices have dropped in recent years.
(C) Our solution directly addresses these economic challenges.
(D) The sensors are difficult to install manually.
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統計: A(6), B(9), C(123), D(9), E(0) #3823165
統計: A(6), B(9), C(123), D(9), E(0) #3823165