McDonald’s Corp., pursuing a comeback under new Chief Executive Officer Steve Easterbrook, reported May sales that narrowly topped analysts’ projections after growth in Europe helped make up for a lingering slump in the U.S. Global same-store sales fell 0.3 percent in the period, the Oak Brook, Illinois-based company said in a statement Monday. Europe was a bright spot for a company struggling with sluggish demand in both Asia and its home country.