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chaitanya.mehrotra
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1)Although the invention of the printing press led to a significant reconceptualization of textual production in the fifteenth century, what has been equally significant in the twentieth century is the invention of the computer.
a)what has been equally significant in the twentieth century
b)equally significant in the twentieth century has been
c)no less significant in the twentieth century is
d)what was equally significant in the twentieth century were
e)no less significant in the twentieth century was
[spoiler]OA E Whats wrong with B? Why we cannot use perfect tense above ?[/spoiler]
a)what has been equally significant in the twentieth century
b)equally significant in the twentieth century has been
c)no less significant in the twentieth century is
d)what was equally significant in the twentieth century were
e)no less significant in the twentieth century was
[spoiler]OA E Whats wrong with B? Why we cannot use perfect tense above ?[/spoiler]
