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helpmeongmat
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Joined: 11 Mar 2007
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In 1995, Richard Stallman, a well-known critic of the patent 27 Jun 2007, 17:21
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0% (00:00) correct 100% (02:47) wrong based on 0 sessions

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In 1995, Richard Stallman, a well-known critic of the patent system, testified in Patent Office hearing that, to test the system, a colleague of his had managed to win a patent for one of Kirchoff's laws, an observation about electric current first made in 1845 and now included in virtually every textbook of elementary physics.

A) laws, an observation about electric current first made in 1845 and
B) laws, which was an observation about electric current first made in 1845 and it is
C) laws, namely, it was an observation about electric current first made in 1845 and
D) laws, an observation about electric current first made in 1845, it is
E) laws that was an observation about electric current, first made in 1845, and is


I got this from the OG (D40 on page 96). Please provide reasons why others should be ruled out. Thanks!



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