If you read each of these, or speak them, there is only one that suits the sentence correctly.
Go with the third one. Couldn't seems to fit pretty well there.
Does<span> not </span>do<span> away with all the article problems, but it reduces ... </span>This excerpt<span> contains nine errors in article and singular/plural noun </span>uses<span>.</span>
A, because the meaning of a sentence can be made clear without the interjection ^-^
Hope I'm not too late! Good luck!
Answer:
amuse the reader, persude the reader or inform the reader
Answer:
what are we supposed to do?