When Quantitative Researchers Want to Test a Hypothesis About a Relationship

When quantitative researchers want to test a hypothesis about a relationship between two variables they often develop a null hypothesis and a corresponding alternative hypothesis.What does the null hypothesis say about the relationship being studied?

A) There is no relationship between the two variables.
B) The dependent variable has an effect on the independent variable.
C) There is no intervening variable affecting the relationship between the independent and dependent variables.
D) The relationship between the independent and dependent variables is spurious.
E) The independent variable has an effect on the dependent variable.