不用回答了，我明白了，打搅大家了！

fdkbaby · 发表于 2003-11-26 23:44:00

372. In contrast to large steel plants that take iron ore through all the steps needed to produce several different kinds of steel, processing steel scrap into a specialized group of products has enabled small mills to put capital into new technology and remain economically viable.
(A) processing steel scrap into a specialized group of products has enabled small mills to put capital into new technology and remain
(B) processing steel scrap into a specialized group of products has enabled small mills to put capital into new technology, remaining
(C) the processing of steel scrap into a specialized group of products has enabled small mills to put capital into new technology, remaining
(D) small mills, by processing steel scrap into a specialized group of products, have been able to put capital into new technology and remain
(E) small mills, by processing steel scrap into a specialized group of products, have been able to put capital into new technology and remained

参考答案D

我的疑问是为什么remain不用完成时态，而要用一般现在时？请各位指教！

[此贴子已经被作者于2003-11-26 23:59:05编辑过]

smartj · 发表于 2003-11-27 09:15:00

我怎么没看明白？谁给解释一下？

jandj_shanghai · 发表于 2003-11-28 06:08:00

remain其实是和put平行的（而不是been able），从句子意思上来理解。
have been able to put capital into new technology and (have been able to) remain

smartj · 发表于 2003-11-28 08:55:00

原来如此，多谢师妹！

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不用回答了，我明白了，打搅大家了！