What is the toughest barricade between Jack and Rose’s love affair?

The number of visitors from parts of Scotland not including the Edinburgh area was, in fact, relatively small(19%), and exceeded the number of overseas visitors(16%) _____________________. A: hook up to B: by a small margin C: barrier D: barricade

5.They turned the barricade into a potential death trap by connecting it up to the mains. 他们给路障接上电源，让它变成了一个潜在的死亡陷阱。 A: bar B: flock C: barb D: blockade