https://imgur.com/r4bqMrT
裡面這句
After all,preserving valuable things shouldn't have to come ___ human and

你的選項加進去應該就能翻譯了。請問這題的答案是？

come at the cost of sth.https://idioms.thefreedictionary.com/come+at+a+price

答案是{B} at the cost of謝謝ely6231君的說明

to 跟前面的have是要看在一起的(have to)，不是後面的come