[問題]問一題不知出處的文法題

[ingeoboe]

朋友轉贈的影印本，厚厚一本沒有任何出產證明，也非南陽街的產品....

______ by the application of high heat under pressure is called auto-claving.

A. Eliminated miracles
D. Eliminating miracles

答案是 D，但是，我搞不懂，答案 A 為何錯誤....

[bonnie1201]

Hi there!

The grammar is focused on talking about one action to be taken; therefore, you need to use gerund as a subject instead of participle plus a noun as the subject. If you still have doubt or even confusion, you may reach me at: book1223@ms62.hinet.net to find out more information.