What is the difference between qualitative and quantitative research?

Question $28$ options:

A$)$

Qualitative research is used for hypothesis testing, and quantitative research is only used for descriptive analyses.

B$)$

Quantitative research is longitudinal, and qualitative research is cross$-$sectional.

C$)$

Qualitative research is researcher dependent, and quantitative research is not.

D$)$

Quantitative research is researcher dependent, and qualitative research is not.

E$)$

Quantitative research results in primary data, and qualitative research results in secondary data.