When It Comes to Control Over the Conditions in the Experiment

When it comes to control over the conditions in the experiment or over the assignment of participants to groups in the experiment,a researcher in a natural setting is likely to have

A) less control than a researcher in a laboratory setting.
B) more control than a researcher in a laboratory setting.
C) the same amount of control as a researcher in a laboratory setting.
D) more control over the conditions in the experiment but less control over assignment of participants.