For those of you who ________ a few very popular articles that came out last week, check out th...

【专家解说】：C
C 考察情态动词。May/might have done或许已经做了，表示对已经发的事情做出的不太肯定的推测，强调语气的委婉有礼，社交味很浓，must have done一定做了某事。语气主观直接。Would have done一般只与表示虚拟的if从句连用，根据语境可知C正确。