These tragic incidents have had a(n) ________ effect. A: implausible B: imperfect C: impractical D: immediate

His speech in conference was interrupted by the host, for it was somewhat _________ to the subject under discussion. A: irrelevant B: pathetic C: implausible D: misguided

How does the author feel about Mr Alan A: His dismal thought is impractical. B: His relevant argument is acceptable. C: His apparent solution is implausible. D: His clear-sighted report is most trust-worthy.