by cyt5015 Mon Jan 20, 2014 11:30 am
Thank you for clarify that! I agree with you that the author's tone at the end is positive which shall be reflected in the answer choice. Answer A clearly does not catch that. However, I think the author does explain why certain promising technologies cannot be implemented profitably, not by discussing the drawbacks of those technologies, but blaming the project leader's short sight. Answer D and E attribute implementing failure to technologies, which are clearly wrong.
Your explanation is very helpful anyway, thank you!