Which of the following scenarios demonstrates the replication of a scientific investigation?
A.
Dr. Burgess reads about an experiment in a scientific journal. He performs a similar investigation in his own laboratory, but he changes some of the variables.

B.
Dr. Abraham performs the same experiment in his own laboratory on five different occasions.

C.
Dr. Jordan visits another scientist and watches the scientist perform an experiment in her own laboratory.

D.
Dr. Kim performs an experiment in her laboratory. Then, Dr. Stevens performs the same experiment in his laboratory to verify the results.