What Advantage Do Quasi-Experimental Studies Have Over Experimental Studies

What advantage do quasi-experimental studies have over experimental studies?

A) A smaller sample size is sufficient to obtain significant results in quasi-experimental studies.
B) Quasi-experimental studies are stronger in establishing cause-and-effect relationships.
C) Descriptive statistics can be used to analyze the data in quasi-experimental studies.
D) Quasi-experimental studies are more adaptable to real-world settings.