An Important Distinction Between an Experimental Design and a Quasi-Experimental

An important distinction between an experimental design and a quasi-experimental design is that

A) unlike a quasi-experimental design,an experimental design randomly assigns participants to groups.
B) unlike a quasi-experimental design,an experimental design does not randomly assign participants to groups.
C) a quasi-experimental design focuses on past events,while an experimental design makes predictions about future events.
D) a quasi-experimental design focuses on future events while an experimental design makes predictions about future events.