What Does the Following Expression(H₀:₁=0) Mean

Multiple Choice

What does the following expression(H₀:₁=0) mean?

A) Mean-Y changes as a result of a change in X
B) Mean-Y does not change as a result of change in X
C) Mean-Y value becomes 0 as a result of a change in X
D) Mean-Y value is equal to 0 when X=0