May was suspected of selling stolen goods in interstate commerce. FBI agents got a warrant to search her office. During the search, the FBI found papers evidencing her crime. Two days later, the FBI found some stolen goods when they conducted a warrantless search of May's car. A week later, an FBI agent was walking on a public sidewalk outside May's offices when he saw more stolen goods that May disposed of in a public dumpster. What evidence can be used against May?

a.The papers seized at May's office.

b.The stolen goods seized from May's car.

c.The stolen goods seized from the public dumpster.

d.a and c.