A group of researchers are interested in determining whether soy protein hassome kind of effect on blood pressure. They recruit a group of volunteers aged 18-35 who take supplements with soy protein every day and measure their blood pressure. Suppose the average systolic blood pressure in this group of volunteers is . It is known that the average systolic blood pressure for people aged 18-35 in the population is ₀. State the hypothesis to be tested.

A.	H0: = 0 vs H1: 0
B.	H0: > 0 vs H1: < 0
C.	H0: = 0 vs H1: > 0
D.	H0: 0 vs H1: = 0