【MingMing】評論
All of these actions come with significant costs __44__ and scientists have long documented the ecological damage caused by noise pollution.所有這些行動都伴隨著(附加的)重大的成本，科學家長期以來一直在記錄噪音污染導致的生態損害。(A) attached: 附帶的 (B) constrain: 限制 (C) constraint: 約束 (D) taxed: 被徵稅因此選項為(A)