—I’m going to travel to Sydney. Would you please tell me about your experiences there?—______.Let’s discuss it over lunch.A.Go aheadB.It just dependsC.That’s wonderfulD.By all means
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D解析by all means“(表示同意)当然可以, 没问题”；Go ahead“前进, 有进展; 继续干下去”；It just depends“视情况而定”；That’s wonderful“太好（妙）了”，均不合题意。