If No Hypothesis Is Present in a Study,does This Indicate

If no hypothesis is present in a study,does this indicate a weakness in the study? Why,or why not?

A) This is not a weakness, as the study can be descriptive.
B) This is not a weakness, if the study is quasi-experimental.
C) This is a weakness, as the study is descriptive.
D) This is not a weakness, as the study can be quasi-experimental.