What Is the Difference Between Qualitative and Quantitative Research

What is the difference between qualitative and quantitative research?

A) Quantitative research uses a control group; qualitative research does not use a control group.
B) Quantitative research is designed to determine the relationship between one thing and another and describe it with numbers; qualitative research primarily relies on collection of nonnumeric data.
C) Quantitative research does not use a control group; qualitative research does use a control group.
D) Qualitative research is designed to determine the relationship between one thing and another and describe it with numbers; quantitative research primarily relies on collection of nonnumeric data.