Can you please help me to answer the following question?

Which of the following correctly describes ap-value?

a.It gives the partial change inYfor a unit change in an independent variable, while holding other independent variables constant.

b.It equals the probability ofHo being true, given the claimHoThe true regression coefficient equals 0.

c.It is an index of the degree of linear association among more than two variables, equal to the square root of the sample coefficient of multiple determination.

d.It equals the ration of an estimated partial-regression coefficient to its standard error.

e.All of these.