Which Question Cannot Be Answered by Means of the Hypothesis‒prediction

Multiple Choice

Which question cannot be answered by means of the hypothesis‒prediction approach?

A) Are eastern meadowlark populations declining faster than western meadowlark populations?
B) Is the song of the western meadowlark prettier than that of the eastern meadowlark?
C) Do eastern and western meadowlarks interbreed?
D) Do meadowlarks benefit from prairie habitat restoration?
E) Have the migration paths of western meadowlarks been affected by climate change?